T
E
L
KO
M
NIK
A
, V
ol
.
1
7
,
No.
6
,
Dec
em
be
r
201
9
, p
p.
2
94
0
~
2
94
7
IS
S
N: 1
69
3
-
6
93
0
,
accr
ed
ited
F
irst
Gr
ad
e b
y K
em
en
r
istekdikti,
Decr
ee
No: 2
1/E/
K
P
T
/20
18
DOI:
10.12928/TE
LK
OM
N
IK
A
.v
1
7
i
6
.
13094
◼
29
40
Rec
ei
v
ed
M
ay
11
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20
1
9
; R
ev
i
s
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J
u
l
y
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, 2
01
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c
c
ep
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ul
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Bene
fit
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er r
e
mo
te
ph
o
sph
or str
uct
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imp
ro
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l
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qu
ali
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d lu
m
ino
u
s fl
ux o
f
w
h
ite L
ED
T
h
u
c
M
inh
Bu
i
1
, P
h
an X
u
an L
e
2
, Dinh
Ho
ang
Ba
ch
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, Ngu
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an Q
u
o
c
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n
h
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4
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Fa
c
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f
E
l
e
c
tr
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c
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l
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El
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c
t
ro
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En
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ri
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T
ra
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a
T
ra
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ty
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tn
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m
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a
l
Ke
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a
b
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g
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ta
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Co
n
tro
l
a
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Sy
s
te
m
En
g
i
n
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ri
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g
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Ho
C
h
i
M
i
n
h
Ci
ty
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Vi
e
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a
m
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Fa
c
u
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ty
o
f
E
l
e
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tr
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l
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n
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El
e
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ro
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En
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ri
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T
o
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Du
c
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h
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Un
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Res
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tro
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ri
n
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T
o
n
Du
c
T
h
a
n
g
Un
i
v
e
rs
i
ty
,
Ho
Ch
i
M
i
n
h
Ci
ty
,
Vi
e
t
n
a
m
*C
o
rre
s
p
o
n
d
i
n
g
a
u
th
o
r,
e
-
m
a
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l
:
n
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o
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q
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o
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a
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h
@t
d
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.
e
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Ab
strac
t
Rem
o
te
p
h
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s
p
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tru
c
tu
re
h
a
s
h
i
g
h
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r
l
u
m
i
n
o
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e
ffi
c
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n
c
y
c
o
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t
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f
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l
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h
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p
h
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r
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n
d
i
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-
c
u
p
p
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s
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r
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tru
c
tu
r
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s
.
Howe
v
e
r,
i
t
i
s
h
a
rd
to
c
o
n
tro
l
t
h
e
c
o
l
o
r
q
u
a
l
i
t
y
o
f
r
e
m
o
te
p
h
o
s
p
h
o
r
s
tru
c
tu
re
,
a
n
d
th
i
s
i
s
s
u
e
h
a
s
b
e
c
o
m
e
o
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e
o
f
th
e
m
o
s
t
re
s
e
a
rc
h
a
b
l
e
o
b
j
e
c
ti
v
e
s
to
m
a
n
y
re
s
e
a
r
c
h
e
r
s
i
n
r
e
c
e
n
t
y
e
a
r
s
.
Up
to
n
o
w,
th
e
re
a
re
two
re
m
o
te
p
h
o
s
p
h
o
r
s
tru
c
tu
r
e
s
a
p
p
l
i
e
d
to
i
m
p
ro
v
e
th
e
c
o
l
o
r
q
u
a
l
i
ty
,
i
n
c
l
u
d
i
n
g
d
u
a
l
-
l
a
y
e
r
p
h
o
s
p
h
o
r
c
o
n
fi
g
u
ra
t
i
o
n
a
n
d
tri
p
l
e
-
l
a
y
e
r
p
h
o
s
p
h
o
r
c
o
n
fi
g
u
ra
ti
o
n
.
Th
e
p
u
rp
o
s
e
o
f
t
h
i
s
re
s
e
a
r
c
h
i
s
to
s
e
l
e
c
t
o
n
e
o
f
th
o
s
e
c
o
n
f
i
g
u
ra
ti
o
n
s
t
o
h
a
v
e
m
u
l
ti
-
c
h
i
p
whi
t
e
L
ED
s
(W
L
EDs
)
a
c
h
i
e
v
e
d
th
e
h
i
g
h
e
s
t
c
o
l
o
r
re
n
d
e
ri
n
g
i
n
d
e
x
(CR
I),
c
o
l
o
r
q
u
a
l
i
t
y
s
c
a
l
e
(CQ
S),
l
u
m
i
n
o
u
s
e
ff
i
c
a
c
y
(L
E),
a
n
d
c
o
l
o
r
u
n
i
f
o
rm
i
ty
.
In
t
h
i
s
re
s
e
a
r
c
h
,
WL
EDs
wit
h
two
c
o
rre
l
a
te
d
c
o
l
o
r
te
m
p
e
r
a
tu
re
s
(CCT)
o
f
6
6
0
0
K
a
n
d
7
7
0
0
K
we
re
a
p
p
l
i
e
d
.
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e
o
b
t
a
i
n
e
d
re
s
u
l
t
s
s
h
o
we
d
th
a
t
tri
p
l
e
-
l
a
y
e
r
p
h
o
s
p
h
o
r
c
o
n
f
i
g
u
ra
ti
o
n
i
s
m
o
r
e
o
u
ts
t
a
n
d
i
n
g
i
n
CR
I,
CQ
S,
a
n
d
L
E.
M
o
re
o
v
e
r,
th
e
c
o
l
o
r
d
e
v
i
a
t
i
o
n
h
a
s
b
e
e
n
s
i
g
n
i
fi
c
a
n
t
l
y
re
d
u
c
e
d
,
whi
c
h
m
e
a
n
s
th
e
c
o
l
o
r
u
n
i
fo
rm
i
t
y
h
a
s
b
e
e
n
e
n
h
a
n
c
e
d
wit
h
th
e
a
p
p
l
i
c
a
ti
o
n
o
f
tr
i
p
l
e
-
l
a
y
e
r
p
h
o
s
p
h
o
r
c
o
n
f
i
g
u
r
a
ti
o
n
.
Th
e
s
e
re
s
u
l
ts
c
a
n
b
e
p
ro
v
e
n
b
y
s
c
a
tt
e
r
i
n
g
p
ro
p
e
rt
i
e
s
o
f
p
h
o
s
p
h
o
r
l
a
y
e
r
s
b
a
s
e
d
o
n
M
i
e
th
e
o
r
y
.
Th
u
s
,
th
e
re
s
e
a
r
c
h
e
d
r
e
s
u
l
ts
h
a
v
e
b
e
c
o
m
e
a
re
l
i
a
b
l
e
a
n
d
v
a
l
u
a
b
l
e
re
fe
r
e
n
c
e
fo
r
m
a
n
u
fa
c
t
u
ri
n
g
higher
-
q
u
a
l
i
t
y
W
L
ED
s
.
Key
w
ords
:
c
o
l
o
r
re
n
d
e
ri
n
g
i
n
d
e
x
,
d
u
a
l
-
l
a
y
e
r
p
h
o
s
p
h
o
r,
l
u
m
i
n
o
u
s
e
ff
i
c
a
c
y
,
m
i
e
-
s
c
a
tt
e
r
i
n
g
t
h
e
o
r
y
re
m
o
te
-
p
h
o
s
p
h
o
r,
tr
i
p
l
e
-
l
a
y
e
r
p
h
o
s
p
h
o
r
Copy
righ
t
©
2
0
1
9
Uni
v
e
rsi
t
a
s
Ahm
a
d
D
a
hl
a
n.
All
rig
ht
s
r
e
s
e
rve
d
.
1.
Int
r
o
d
u
ctio
n
W
i
th
the
a
dv
an
ta
ge
s
of
s
m
al
l
s
i
z
e,
h
i
g
h
en
erg
y
ef
fi
c
i
en
c
y
,
l
o
w
c
os
t,
an
d
c
ol
or
s
t
ab
i
l
i
t
y
,
ph
os
ph
or
-
c
on
v
erted
w
h
i
te
l
i
gh
t
-
em
i
tti
ng
d
i
od
es
(
W
LE
D
s
)
ha
s
b
ec
om
e
a
po
t
en
t
i
a
l
l
i
gh
t
s
ou
r
c
e
[1
-
3].
In
W
LE
Ds
,
the
c
om
bi
na
ti
o
n
of
c
o
m
pl
em
en
tar
y
c
ol
ors
,
b
l
ue
l
i
gh
t
f
r
om
a
bl
ue
c
h
i
p
an
d
y
e
l
l
o
w
l
i
gh
t
f
r
om
ph
os
ph
or,
i
s
a
pp
l
i
e
d.
B
es
i
de
s
,
th
ere
i
s
a
po
t
en
t
i
a
l
of
be
i
ng
us
ed
i
n
s
ol
i
d
-
s
tat
e
l
i
gh
t
i
ng
of
W
LE
Ds
,
bu
t
to
ac
hi
e
v
e
th
i
s
pu
r
po
s
e,
th
e
e
nh
a
nc
em
en
t
t
he
i
r
l
um
i
no
us
ef
fi
c
i
en
c
y
m
us
t
be
f
ul
f
i
l
l
e
d
[4
-
8].
G
e
ne
r
a
l
l
y
,
on
e
of
the
m
os
t
c
o
m
m
on
m
eth
od
s
ap
p
l
i
ed
t
o
f
ab
r
i
c
ate
whi
te
l
i
gh
t
i
s
th
e
f
r
ee
l
y
di
s
p
ers
ed
c
o
ati
ng
.
I
n
t
hi
s
m
eth
od
,
tr
a
ns
pa
r
e
nt
en
c
a
ps
ul
ate
d
r
es
i
n
i
s
d
i
s
pe
r
s
ed
on
t
he
p
ho
s
ph
or
pa
c
k
ag
e
af
ter
be
i
ng
c
om
bi
ne
d
wi
th
ph
os
p
ho
r
po
w
de
r
.
T
hi
s
m
ea
s
ure
c
ou
l
d
ge
t
th
e
thi
c
k
ne
s
s
of
the
ph
os
ph
or
l
a
y
er
ea
s
i
l
y
m
an
ag
e
d,
an
d
a
l
s
o
s
i
gn
i
f
i
c
an
t
l
y
r
ed
uc
e
prod
uc
ti
on
c
os
ts
,
y
et
i
t
do
es
n
ot
pro
du
c
e
hi
gh
-
qu
a
l
i
t
y
W
LE
Ds
[
9].
T
he
r
ef
ore,
the
c
on
f
orm
al
c
oa
ti
ng
m
eth
od
i
s
s
ug
ge
s
t
ed
as
a
po
s
i
t
i
v
e
a
l
tern
ati
v
e.
T
hi
s
m
eth
od
i
s
ou
ts
tan
d
i
n
g
wi
th
i
ts
un
i
f
orm
di
s
tr
i
bu
t
i
on
of
c
ol
ors
to
br
i
ng
a
bo
u
t
t
he
an
gu
l
ar
ho
m
og
en
e
i
t
y
of
c
o
r
r
el
ate
d
c
o
l
or
tem
pe
r
atu
r
e
(
CCT
)
[10
-
12
].
H
o
w
e
v
er,
the
de
c
r
ea
s
e
i
n
l
um
i
no
us
ef
fi
c
i
en
c
y
du
e
to
the
ba
c
k
s
c
att
erin
g
ef
f
ec
t
i
s
the
do
wns
i
d
e
of
us
i
ng
a
c
on
f
or
m
al
ph
os
ph
or
s
tr
uc
ture.
In
pre
v
i
ou
s
r
es
ea
r
c
h
p
ap
ers
,
the
de
m
on
s
tr
ati
on
of
the
c
on
c
e
pt
of
s
ep
arati
n
g
the
c
h
i
p
a
nd
the
ph
os
ph
or
l
a
y
er of
r
em
ote
ph
os
ph
or s
tr
uc
tures
i
s
pres
en
ted
[13
-
2
0].
T
he
ad
v
an
c
e
d
l
i
gh
t
ex
tr
ac
t
i
on
i
nte
r
n
al
r
efl
ec
ti
on
s
tr
uc
ture,
tak
i
ng
the
ap
p
l
i
c
at
i
o
n
of
a
po
l
y
m
er
he
m
i
s
ph
eric
a
l
s
he
l
l
l
e
ns
w
i
t
h
i
nte
r
i
or
ph
os
ph
or
c
oa
ti
n
g,
i
s
c
on
s
i
d
ered
as
a
c
on
f
i
gu
r
at
i
on
to
i
nc
r
ea
s
e
ex
tr
ac
t
i
on
ef
fi
c
i
en
c
y
[2
1].
F
urth
erm
ore,
l
um
i
no
us
ef
fi
c
i
en
c
y
c
a
n
b
e
i
m
prov
ed
b
y
r
efl
ec
ti
ng
do
w
n
war
d
l
i
g
ht
wi
th
t
he
us
a
ge
of
an
a
i
r
-
ga
p
em
be
dd
ed
s
tr
uc
ture
[
22
].
O
bv
i
ou
s
l
y
,
n
ot
on
l
y
l
um
i
no
us
ef
f
i
c
ac
y
(
LE
)
bu
t
al
s
o
oth
er
op
ti
c
a
l
c
ha
r
ac
teri
s
ti
c
s
,
i
nc
l
u
di
n
g
c
o
l
or
r
en
de
r
i
ng
i
n
de
x
Evaluation Warning : The document was created with Spire.PDF for Python.
T
E
L
KO
M
NIK
A
IS
S
N: 1
69
3
-
6
93
0
◼
B
en
efi
ts
of
tr
i
pl
e
-
l
ay
er r
e
mo
te
ph
os
ph
or s
tr
uc
tur
e i
n
… (
T
hu
c
M
i
nh
B
u
i
)
2941
(
CRI)
,
c
ol
or
q
ua
l
i
t
y
s
c
al
e
(
CQ
S
)
,
an
d
c
ol
o
r
un
i
f
or
m
i
t
y
are
ex
tr
em
el
y
v
i
t
al
t
o
W
L
E
Ds
.
T
he
r
ef
ore,
to
m
ag
ni
f
y
th
e
op
t
i
c
al
c
h
arac
teri
s
ti
c
s
of
LE
Ds
,
the
r
e
are
two
i
m
prov
ed
r
em
ote
ph
os
ph
or
s
tr
uc
tures
whi
c
h
ha
v
e
be
e
n
ap
p
l
i
ed
:
du
a
l
-
l
a
y
er
ph
os
ph
or
c
on
f
i
gu
r
at
i
o
n
an
d
tr
i
pl
e
-
l
a
y
er
ph
os
p
ho
r
c
on
f
i
gu
r
at
i
on
.
F
or
du
al
-
l
a
y
e
r
p
ho
s
ph
or
c
on
f
i
gu
r
at
i
o
n,
the
y
e
l
l
o
w
p
ho
s
p
ho
r
l
a
y
er
i
s
s
et
i
n
the
b
ott
om
an
d
on
t
he
t
o
p,
th
ere
i
s
a
r
ed
or
gree
n
ph
os
p
ho
r
l
a
y
e
r
.
In
tr
i
p
l
e
-
l
a
y
er
ph
os
p
ho
r
c
on
f
i
gu
r
at
i
on
,
t
he
b
ott
om
,
top
an
d
m
i
dd
l
e
p
os
i
ti
on
s
ar
e
the
p
ho
s
ph
or
l
a
y
ers
of
y
el
l
o
w
,
r
ed
a
nd
green,
r
es
p
ec
ti
v
el
y
.
A
dd
i
ti
on
a
l
l
y
,
i
n
ac
c
ordanc
e
wi
th
the
s
tr
uc
ture
of
the
pa
c
k
ag
e,
th
e
r
ol
e
of
c
on
c
en
tr
at
i
on
of
ph
os
p
ho
r
to
l
um
i
no
us
ef
fi
c
i
en
c
y
c
a
nn
ot
be
un
de
r
es
t
i
m
ate
d.
T
he
r
e
-
ab
s
orpt
i
on
l
os
s
i
n
t
he
ph
os
ph
or
l
a
y
e
r
w
i
l
l
i
nc
r
ea
s
e
as
t
he
i
nc
r
ea
s
e
i
n
ph
os
p
ho
r
c
on
c
en
tr
ati
o
n
ap
p
ea
r
s
.
T
he
r
ef
ore,
i
t
l
es
s
en
s
the
l
u
m
i
no
us
effi
c
i
en
c
y
,
es
pe
c
i
al
l
y
at
l
o
wer
CCT
s
[23
-
25
].
Henc
e,
the
r
e
i
s
an
i
m
po
r
tan
c
e
i
n
g
ett
i
ng
th
e
em
i
s
s
i
on
of
bl
ue
an
d
y
e
l
l
o
w
r
a
y
s
i
m
prov
ed
,
as
wel
l
as
prev
en
t
i
ng
the
m
as
s
i
v
e a
m
ou
nt
of
l
i
gh
t
l
os
s
f
r
o
m
oc
c
urr
i
ng
du
e
to
the
b
ac
k
s
c
att
erin
g
an
d refl
ec
ti
on
.
It
i
s
v
er
y
d
i
f
f
i
c
ul
t
f
or
m
an
ufa
c
turer
s
to
c
h
oo
s
e
a
s
ui
ta
bl
e
r
em
ote
ph
os
p
ho
r
s
tr
uc
t
ure
to
en
ha
nc
e
op
t
i
c
al
c
ha
r
ac
teri
s
ti
c
s
f
or
the
i
r
LE
Ds
,
d
ue
to
the
di
v
ers
i
t
y
of
propos
ed
m
eth
od
s
w
hi
c
h
ha
v
e
be
en
m
en
ti
on
ed
a
bo
v
e.
H
en
c
e,
th
i
s
pa
pe
r
propos
es
th
e
be
s
t
s
ol
uti
on
f
or
the
m
an
uf
ac
turer
s
to
d
ec
i
d
e
a
n
op
t
i
m
u
m
m
ea
s
ure
i
n
ge
tt
i
ng
th
e
qu
a
l
i
t
y
of
W
LE
Ds
m
ag
ni
f
i
ed
.
F
urtherm
ore,
i
n
s
up
po
r
t
to
m
an
uf
ac
turer
s
,
the
att
ai
ne
d
r
es
ul
ts
wi
l
l
de
m
on
s
tr
ate
s
p
ec
i
f
i
c
m
eth
od
s
to
de
v
e
l
o
p p
a
r
t
i
c
ul
ar op
ti
c
a
l
c
ha
r
ac
teri
s
ti
c
s
.
2.
Re
se
a
r
ch
M
eth
o
d
T
he
f
i
r
s
t
i
de
a
i
n
th
i
s
r
es
e
arc
h
i
s
us
i
n
g
t
he
gre
en
p
ho
s
ph
or
l
a
y
er
S
r
B
a
S
i
O
4:E
u2
+
to
i
nc
r
ea
s
e
bl
ue
l
i
gh
ts
i
n
W
L
E
Ds
,
r
es
u
l
ti
ng
i
n
a
n
i
nc
r
ea
s
e
i
n
em
i
tte
d
l
um
i
no
us
f
l
u
x
.
T
he
s
ec
on
d
i
de
a
i
s
r
ai
s
i
n
g
the
r
e
d
l
i
gh
ts
i
n W
LE
Ds
b
y
ap
p
l
y
i
n
g
the
r
ed
ph
os
p
ho
r
l
a
y
er
S
r
w
F
x
B
y
O
z
:
E
u
2+
,
S
m
2+
,
l
ea
di
n
g
t
o
a
gro
wth
of
CRI
an
d
CQ
S
.
I
n
t
hi
s
r
es
e
arc
h,
W
LE
Ds
w
i
t
h
ni
n
e
LE
D
c
h
i
ps
s
et
i
ns
i
de
wer
e
ap
pl
i
ed
,
as
i
l
l
us
tr
ate
d
i
n
F
i
gu
r
e
1
(
a).
T
he
r
ad
i
a
nt
f
l
ux
of
ea
c
h
bl
ue
c
h
i
p
i
s
1.1
6
W
,
w
i
t
h
the
pe
ak
w
a
v
e
l
e
ng
th
i
s
45
3
nm
.
A
s
s
h
o
w
n
i
n
F
i
gu
r
e
1
(
b),
the
r
e
ar
e
t
he
de
t
ai
l
s
of
LE
D
s
’
o
pti
c
a
l
pa
r
am
ete
r
s
.
F
i
gu
r
e
1
(
c
)
d
es
c
r
i
be
s
the
s
i
n
gl
e
-
l
a
y
er
r
e
m
ote
ph
os
ph
or
s
tr
uc
tur
e
(
Y
)
wi
th
a
y
e
l
l
o
w
ph
os
ph
or
l
a
y
er
Y
A
G
:Ce
3+
on
th
e
s
urf
ac
e
of
LE
D
c
hi
ps
.
F
i
gu
r
e
1
(
d)
i
s
a
n
i
l
l
us
tr
at
i
on
of
the
d
ua
l
-
l
a
y
er
r
em
ote
ph
os
ph
or
s
tr
uc
ture
(
Y
G
)
,
whi
c
h
ha
s
a
r
e
d
p
ho
s
ph
or
l
a
y
er
Sr
w
F
x
B
y
O
z
:
E
u
2+
,
Sm
2+
c
ov
erin
g
o
v
er
a
y
e
l
l
o
w
ph
os
ph
or
l
a
y
er
Y
A
G
:Ce
3+
.
W
hi
l
e
i
n
F
i
gu
r
e
1
(
e),
the
d
ua
l
-
l
a
y
er
r
em
ote
p
h
os
ph
or
(
Y
G
)
c
o
ns
i
s
ted
of
a
gre
en
ph
os
p
ho
r
l
a
y
er
S
r
B
aS
i
O
4
:E
u
2+
c
oa
ti
n
g
ov
er
t
he
L
E
D
c
h
i
p
s
i
s
d
em
on
s
tr
ate
d.
B
es
i
de
s
,
the
r
e
i
s
a
tr
i
pl
e
-
l
a
y
er
r
e
m
ote
ph
os
ph
or
s
tr
uc
ture
ha
v
i
ng
a
S
r
B
aS
i
O
4
:E
u
2+
p
ho
s
ph
or
l
a
y
er
b
et
w
ee
n
th
e
ot
he
r
t
w
o
ph
os
ph
or
l
a
y
e
r
s
pres
en
te
d i
n
F
i
gu
r
e
1
(
f
)
.
T
he
s
e
ph
os
ph
or
l
a
y
ers
th
e
th
i
c
k
ne
s
s
of
0.8
m
m
.
T
o
m
ai
nta
i
n
th
e
a
v
erage
c
or
r
el
ate
d
tem
pe
r
atu
r
e
c
ol
ors
(
A
C
CT
s
)
,
the
c
on
c
en
tr
a
ti
on
of
Y
A
G
:Ce
3+
i
s
c
ha
n
ge
d
as
r
eg
ard
the
di
f
f
erenc
es
tha
t
w
ere
m
ad
e
i
n
the
c
on
c
e
ntrat
i
on
of
y
e
l
l
o
w
or
r
ed
ph
os
p
ho
r
.
A
t
ea
c
h
di
f
f
erent
A
CCT
w
i
th
r
es
pe
c
t
t
o
ea
c
h
ph
os
p
ho
r
l
a
y
er,
Y
A
G
:
Ce
3+
c
on
c
en
tr
ati
on
i
s
a
l
s
o
d
i
f
ferent.
T
hu
s
,
i
t
m
a
k
e
s
a
d
i
f
f
erenc
e
of
s
c
att
erin
g
c
ha
r
ac
ter
i
s
ti
c
s
i
n
L
E
D,
l
ea
d
i
ng
to
th
e
d
i
s
c
r
ep
an
c
y
i
n
o
pti
c
a
l
c
h
arac
teri
s
ti
c
s
.
F
r
om
F
i
gu
r
e
2,
i
t
i
s
ob
v
i
ou
s
tha
t
the
c
on
c
en
tr
ati
on
of
y
e
l
l
o
w
-
em
i
tti
ng
Y
A
G
:C
e3
+
ph
os
ph
or
i
s
hi
gh
es
t
w
h
en
us
i
ng
Y
s
tr
uc
ture
an
d
l
o
wes
t
wi
th
t
he
us
ag
e
of
Y
RG
s
tr
uc
ture,
at
al
l
A
CT
T
s
.
G
i
v
en
th
a
t
a
l
l
th
e
r
em
ote
s
tr
uc
tures
are
ex
am
i
ne
d
at
the
s
a
m
e
A
CCT
,
i
f
the
Y
A
G
:
Ce
3+
c
on
c
en
tr
ati
o
n
i
s
hi
gh
er,
th
e
s
c
att
er
i
ng
ab
i
l
i
t
y
i
s
i
nc
r
ea
s
e
d,
a
nd
th
en
t
he
att
a
i
n
ed
r
es
ul
t
i
s
a
de
c
r
e
as
e
i
n
em
i
tte
d
l
um
i
no
us
f
l
ux
.
O
n
th
e
ot
he
r
ha
nd
,
t
he
i
m
ba
l
an
c
e
a
m
on
g
the
thre
e
c
o
m
pl
em
en
tar
y
c
ol
ors
prod
uc
i
ng
whi
t
e
l
i
g
hts
,
i
nc
l
ud
i
n
g
y
e
l
l
o
w
,
r
e
d
an
d
gree
n,
wi
l
l
ex
i
s
t
i
f
the
r
e
i
s
a
h
i
gh
l
e
v
e
l
of
Y
A
G
:
Ce
3+
c
on
c
en
tr
ati
on
,
whi
c
h
c
o
ul
d
de
c
l
i
ne
the
c
o
l
or
q
ua
l
i
t
y
of
W
LE
Ds
.
T
he
r
ef
ore, to
ac
c
om
pl
i
s
h t
h
e i
m
prov
em
en
t i
n
bo
th
l
um
i
no
us
f
l
ux
a
nd
c
o
l
or
qu
a
l
i
t
y
of
W
LE
Ds
, i
t i
s
ne
c
es
s
ar
y
to
r
ed
uc
e
s
c
att
e
r
i
ng
e
v
en
ts
an
d
ba
l
an
c
e
thr
ee
c
om
pl
em
en
tar
y
c
ol
ors
y
el
l
o
w
,
r
ed
an
d
green.
It
i
s
po
s
s
i
b
l
e
t
o
c
on
tr
ol
the
c
o
l
or
r
en
de
r
i
ng
i
nd
ex
b
y
i
nc
r
ea
s
i
n
g
r
ed
l
i
g
hts
.
A
dd
i
ti
on
al
l
y
,
the
c
ol
or
un
i
f
orm
i
t
y
an
d
l
u
m
i
no
us
f
l
ux
c
ou
l
d
be
m
an
ag
ed
wi
th
the
gr
ee
n
l
i
gh
ts
.
T
hu
s
,
w
he
t
he
r
the
tr
i
pl
e
-
l
a
y
er
ph
os
p
ho
r
s
tr
uc
ture
i
s
th
e
m
os
t
ad
v
an
t
ag
e
ou
s
o
ne
i
n
ge
tt
i
ng
op
t
i
c
al
c
ha
r
ac
teri
s
ti
c
s
c
on
tr
o
l
l
e
d?
T
o
c
o
m
e
up
wi
th
a
c
l
ea
r
an
s
w
er
t
o
thi
s
qu
es
ti
on
,
ou
r
tea
m
o
f
r
es
ea
r
c
he
r
s
wi
l
l
c
arr
y
on
gi
v
i
n
g
ot
he
r
i
m
po
r
tan
t
i
nf
or
m
ati
on
r
el
ati
ng
t
o
r
e
m
ote
ph
os
ph
or
s
tr
uc
ture
w
hi
c
h
i
s
em
i
s
s
i
on
s
pe
c
tr
um
.
A
s
c
an
b
e s
e
en
i
n
Fi
gu
r
e
3,
th
er
e
i
s
a
n
ob
v
i
ou
s
di
f
f
erenc
e
i
n
em
i
s
s
i
on
s
pe
c
tr
a
of
r
em
ote
ph
os
ph
or
s
tr
uc
tures
.
A
t
5
di
f
f
erent
A
CCT
s
,
the
em
i
s
s
i
on
s
pe
c
tr
um
of
Y
ha
s
the
s
m
al
l
es
t
i
nte
ns
i
t
y
am
on
g
the
ot
he
r
s
,
r
es
ul
t
i
n
g
i
n
an
af
f
i
r
m
ati
o
n
th
at
Y
s
tr
uc
t
ure
i
s
c
ap
a
bl
e
of
att
ai
ni
ng
Evaluation Warning : The document was created with Spire.PDF for Python.
◼
IS
S
N: 16
93
-
6
93
0
T
E
L
KO
M
NIK
A
V
ol
.
1
7
,
No
.
6
,
D
ec
em
be
r
2019
:
29
4
0
-
2947
2942
the
s
m
al
l
es
t
l
um
i
no
us
f
l
ux
.
In
c
on
tr
as
t,
Y
RG
s
tr
uc
tur
e
ge
ts
the
hi
gh
es
t
i
n
ten
s
i
t
y
of
em
i
s
s
i
on
s
pe
c
tr
um
i
n
a
r
an
ge
f
r
om
38
0
nm
to
78
0
n
m
of
the
wav
el
e
ng
t
h.
I
n
th
e
r
an
ge
f
r
om
40
0
nm
to
50
0
nm
,
the
i
nte
ns
i
t
y
of
s
pe
c
tr
um
o
f
Y
G
s
tr
uc
ture
i
s
hi
gh
er
tha
n
tha
t
of
Y
R
s
tr
uc
ture,
an
d
the
r
ef
ore,
t
he
l
um
i
no
us
f
l
ux
of
Y
G
c
ou
l
d
hi
gh
er
t
ha
n
th
at
of
Y
R
.
Ne
v
ert
he
l
es
s
,
c
o
m
pa
r
ed
to
Y
G
s
tr
uc
ture,
Y
R
s
tr
uc
t
ur
e
ha
s
hi
g
he
r
em
i
tte
d
i
nt
en
s
i
t
y
of
l
um
i
no
us
f
l
ux
of
Y
R
s
tr
uc
ture
i
n
the
r
an
g
e
f
r
o
m
65
0
nm
to
75
0
nm
,
whi
c
h
c
ou
l
d
ge
t
Y
R
s
tr
uc
t
ure
ha
d
the
hi
gh
er
c
o
l
or
r
en
de
r
i
ng
i
nd
ex
tha
n
Y
G
s
tr
uc
ture.
Ho
wev
er,
t
o
as
s
ure
al
l
t
he
m
en
ti
on
ed
i
nf
orm
ati
on
a
bo
v
e,
i
t
i
s
ne
c
es
s
ar
y
to
ex
am
i
ne
th
e
ob
ta
i
n
ed
r
es
u
l
ts
i
n s
es
s
i
o
n 3
.
Le
ad
f
r
a
m
e:
4.7
m
m
J
en
tec
h S
i
z
e
-
S
LE
D c
h
i
p:
V
4
5H
Di
e
att
ac
h:
S
um
i
tom
o 1
29
5
S
A
G
ol
d
W
i
r
e:
1.0
m
i
l
P
ho
s
p
ho
r
:
IT
C N
Y
A
G
4_
E
L
(
a)
(
b)
(
c
)
(
d)
(
e)
(
f
)
F
i
gu
r
e
1.
I
l
l
us
tr
ati
on
of
m
ul
ti
-
l
a
y
er p
ho
s
ph
or s
tr
uc
tures
of
w
h
i
te
LE
Ds
:
(
a)
t
he
ac
t
ua
l
MC
W
-
LE
Ds
an
d (b)
i
ts
pa
r
am
ete
r
s
; (c
)
s
i
ng
l
e
-
l
a
y
er p
ho
s
p
ho
r
,
d
ua
l
-
l
a
y
er
r
em
ote
ph
os
ph
or
wi
th
Y
R (
d) and
Y
G
(
e),
an
d (f
)
trip
l
e
-
l
a
y
er
ph
os
ph
or
Evaluation Warning : The document was created with Spire.PDF for Python.
T
E
L
KO
M
NIK
A
IS
S
N: 1
69
3
-
6
93
0
◼
B
en
efi
ts
of
tr
i
pl
e
-
l
ay
er r
e
mo
te
ph
os
ph
or s
tr
uc
tur
e i
n
… (
T
hu
c
M
i
nh
B
u
i
)
2943
F
i
gu
r
e
2.
T
he
c
on
c
e
ntrati
on
of
y
el
l
o
w
-
em
i
tti
ng
Y
A
G
:C
e
3+
ph
os
ph
or of
ea
c
h rem
ote
ph
os
p
ho
r
s
tr
uc
ture at
e
ac
h d
i
f
f
erent A
CCT
F
i
gu
r
e
3.
E
m
i
s
s
i
on
s
pe
c
tr
a
of
ph
os
ph
or c
o
nf
i
gu
r
at
i
o
ns
3.
Re
sult
s
a
nd
anal
ys
is
F
i
gu
r
e
4
i
l
l
us
tr
ate
s
t
he
c
o
m
pa
r
i
s
on
am
on
g
d
i
f
f
er
en
t
r
em
ote
ph
os
p
ho
r
s
tr
uc
ture.
O
bv
i
ou
s
l
y
,
Y
R
s
tr
uc
ture
g
ets
the
hi
g
he
s
t
CRI
at
a
n
y
A
CCT
.
T
hi
s
r
es
ul
t
i
s
c
r
uc
i
al
to
r
em
ote
ph
os
ph
or
s
tr
uc
tures
i
n
i
m
prov
i
ng
CRI.
W
hi
l
e
i
t
i
s
h
ard
t
o
c
on
tr
ol
the
CR
I
a
t
a
h
i
g
h
l
e
v
e
l
of
A
CCT
(
m
ore
tha
n
6
60
0
K
)
,
Y
R
l
a
y
er
i
s
ab
l
e
to
ad
dres
s
th
i
s
i
s
s
ue
.
C
on
tr
i
bu
t
i
ng
t
o
t
he
ad
v
an
tag
e
of
CRI
i
n
Y
R
s
tr
uc
tur
e
i
s
the
ad
di
ti
on
al
r
ed
l
i
gh
ts
f
r
om
the
r
ed
p
ho
s
ph
or
l
a
y
e
r
S
r
w
F
x
B
y
O
z
:
E
u
2+
,
S
m
2+
.
Rank
ed
i
n
th
e
s
ec
on
d
p
l
a
c
e
of
att
a
i
ne
d
C
RI
v
a
l
ue
i
s
Y
RG
s
tr
uc
ture,
w
h
i
l
e
i
n
Y
G
s
tr
uc
ture,
the
CRI
v
a
l
u
e
i
s
th
e
l
o
w
e
s
t
on
e.
He
nc
e,
i
t
i
s
po
s
s
i
b
l
e
t
o
af
f
i
r
m
tha
t
w
i
t
h
t
he
ai
m
at
CRI,
Y
R
s
tr
uc
ture
i
s
the
o
ne
th
at
c
ou
l
d
s
el
ec
t
t
o
m
as
s
-
produc
e
W
LE
Ds
.
How
e
v
er,
C
RI
i
s
j
us
t
on
e
of
the
i
nd
ex
es
t
ha
t
e
v
a
l
u
ate
c
ol
or
qu
a
l
i
t
y
.
In
r
ec
e
nt
y
ea
r
s
,
CQ
S
ha
s
b
ec
om
e
the
r
es
ea
r
c
he
d
ob
j
ec
ti
v
e
of
m
an
y
s
tud
i
es
.
CQ
S
i
s
t
he
s
y
nt
he
s
i
s
of
th
r
ee
f
ac
tors
:
CRI,
h
um
an
pref
erenc
e,
an
d
c
hrom
ati
c
i
t
y
c
oo
r
d
i
n
ate
s
.
W
i
th
the
c
om
bi
na
ti
o
n
of
the
s
e
three
f
ac
tors
,
CQ
S
ha
s
be
c
om
e
a
gre
at
go
a
l
a
nd
l
i
k
el
y
to
be
the
m
o
s
t
v
i
t
al
i
n
de
x
i
n
c
o
l
or
qu
a
l
i
t
y
ev
al
ua
t
i
on
.
In
th
i
s
s
tud
y
,
C
Q
S
of
r
em
ote
ph
os
ph
or
s
tr
uc
tures
h
as
b
ee
n
c
om
pa
r
ed
i
n
F
i
gu
r
e
5.
If
Y
R
s
tr
uc
ture
r
e
ac
he
s
th
e
hi
gh
es
t
CRI,
Y
RG
s
tr
uc
ture
ac
hi
ev
es
the
hi
gh
es
t
CQ
S
.
T
hi
s
c
an
be
ex
p
l
ai
ne
d
b
y
t
he
ba
l
an
c
e
of
three
c
o
m
pl
em
en
tar
y
c
o
l
ors
:
y
e
l
l
o
w
,
r
e
d
an
d
gre
en
.
T
he
h
i
gh
er
the
CQ
S
v
al
ue
,
th
e
h
i
gh
er
th
e
c
o
l
or
qu
a
l
i
t
y
.
In
Y
s
tr
uc
tur
e,
the
v
al
u
e
of
CQ
S
i
s
the
l
o
wes
t.
G
en
eral
l
y
,
Y
s
tr
uc
ture
i
s
ad
v
an
tag
eo
us
to
l
um
i
no
us
f
l
ux
,
b
ut
c
on
tai
ni
n
g
d
i
f
f
i
c
ul
t
y
i
n
m
an
ag
i
ng
c
o
l
or
qu
a
l
i
t
y
i
f
the
r
e
i
s
no
ad
d
i
ti
on
of
r
ed
an
d
green
l
i
gh
ts
c
om
po
ne
nts
.
T
ho
ug
h
th
ere
s
ti
l
l
ex
i
s
ts
th
e
di
s
ad
v
a
nta
g
e
i
n
c
o
l
or
q
ua
l
i
t
y
,
Y
s
tr
uc
ture
i
s
be
ne
f
i
c
i
al
f
or
produc
t
i
on
,
w
h
i
c
h
m
ea
ns
the
proc
es
s
of
m
an
uf
ac
turi
ng
wou
l
d
b
e
s
i
m
pl
er
tha
n
the
o
the
r
s
tr
uc
tures
,
an
d
pr
od
uc
ti
on
c
os
t c
o
ul
d
be
r
ed
u
c
ed
.
Evaluation Warning : The document was created with Spire.PDF for Python.
◼
IS
S
N: 16
93
-
6
93
0
T
E
L
KO
M
NIK
A
V
ol
.
1
7
,
No
.
6
,
D
ec
em
be
r
2019
:
29
4
0
-
2947
2944
F
i
gu
r
e
4.
C
ol
or r
e
nd
er
i
ng
i
n
de
x
es
of
ph
os
p
ho
r
c
on
f
i
gu
r
at
i
on
s
c
orr
es
po
nd
i
ng
to
A
CCT
s
F
i
gu
r
e
5
. C
ol
or
qu
a
l
i
t
y
s
c
a
l
e o
f
ph
os
p
ho
r
c
on
f
i
gu
r
at
i
on
s
c
orr
es
po
nd
i
ng
to
A
CCT
s
B
as
ed
o
n t
he
r
es
ul
ts
i
n F
i
g
ure 5
,
i
t
i
s
po
s
s
i
b
l
e
to
af
f
i
r
m
th
a
t
i
f
m
an
uf
ac
turer
s
ai
m
at
c
ol
or
qu
a
l
i
t
y
,
t
he
y
s
ho
u
l
d
c
h
o
os
e
Y
RG
s
tr
uc
ture.
Ho
wev
er,
i
f
the
c
o
l
or
qu
al
i
t
y
i
s
be
tt
er,
i
s
the
l
u
m
i
no
us
f
l
ux
af
f
ec
te
d?
T
o
an
s
wer
th
i
s
qu
es
t
i
on
,
t
he
r
es
e
arc
h
tea
m
ha
s
c
om
pa
r
ed
the
em
i
tte
d
l
um
i
no
us
f
l
ux
be
t
w
e
en
s
i
ng
l
e
an
d
do
u
bl
e
l
a
y
ers
.
I
n
th
i
s
pa
r
t,
th
e
m
ath
e
m
ati
c
al
m
od
el
of
the
tr
an
s
m
i
tte
d
bl
u
e
l
i
gh
t
an
d
c
on
v
erte
d
y
el
l
o
w
l
i
g
ht
i
n
th
e
d
ou
b
l
e
-
l
a
y
er
ph
os
p
ho
r
s
tr
uc
ture
wi
l
l
be
pres
e
nte
d
an
d
ex
pl
ai
ne
d
,
to
ex
am
i
ne
the
gre
at
att
a
i
n
ed
en
ha
n
c
e
m
en
t
of
LE
D
ef
f
i
c
i
en
c
y
f
r
o
m
thi
s
s
tr
uc
tu
r
e.
T
he
tr
an
s
m
i
tte
d
b
l
ue
l
i
gh
t
a
nd
c
o
nv
erted
y
e
l
l
o
w
l
i
gh
t
f
or
s
i
ng
l
e
l
a
y
er
r
em
ote
p
ho
s
ph
or
p
a
c
k
ag
e
wi
th
th
e
p
ho
s
ph
or
l
a
y
er
th
i
c
k
ne
s
s
of
2
h
are
e
x
pres
s
ed
as
i
n
be
l
o
w
f
orm
ul
as
:
(
1)
(
2)
T
he
tr
an
s
m
i
tte
d
b
l
u
e
l
i
g
ht
an
d
c
on
v
erte
d
y
e
l
l
o
w
l
i
gh
t
f
or
do
ub
l
e
l
a
y
er
r
em
ote
p
h
os
ph
or
pa
c
k
ag
e wi
th
th
e
ph
os
ph
or
l
a
y
er th
i
c
k
ne
s
s
of
h
are de
t
erm
i
ne
d i
n f
ol
l
o
wi
n
g e
x
pres
s
i
on
s
:
(
3)
(
4)
i
n
th
es
e
ex
pres
s
i
on
s
a
bo
v
e
,
h
i
s
the
th
i
c
k
ne
s
s
o
f
ea
c
h
ph
os
ph
or
l
a
y
er
.
T
he
s
ub
s
c
r
i
pt
“
1”
an
d
“
2”
are
us
ed
to
de
s
c
r
i
be
s
i
ng
l
e
l
a
y
er
a
nd
d
ou
bl
e
-
l
a
y
er
r
em
ote
ph
os
ph
or
pa
c
k
ag
e.
β
i
n
di
c
at
es
the
c
on
v
ers
i
o
n
c
o
ef
f
i
c
i
en
t
f
or
b
l
ue
l
i
g
ht
c
o
n
v
erti
ng
to
y
el
l
o
w
l
i
gh
t
.
γ
i
s
the
r
ef
l
ec
ti
o
n
c
oe
ff
i
c
i
en
t
of
the
y
e
l
l
o
w
l
i
g
ht.
T
he
i
nt
en
s
i
ti
es
of
bl
ue
l
i
gh
t
(
PB
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an
d
y
el
l
o
w
l
i
g
ht
(
PY
)
are
th
e
l
i
gh
t
i
nt
en
s
i
t
y
f
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o
m
bl
u
e
LE
D,
pres
e
nte
d
b
y
PB
0
.
α
B
;
α
Y
are
p
a
r
am
ete
r
s
de
s
c
r
i
bi
ng
th
e
f
r
ac
ti
on
s
of
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en
erg
y
l
os
s
of
b
l
u
e
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d
y
e
l
l
o
w
l
i
gh
ts
du
r
i
ng
t
he
i
r
prop
ag
at
i
o
n
i
n
t
he
p
ho
s
ph
or
l
a
y
er
r
es
pe
c
ti
v
el
y
.
W
i
th
the
d
ou
bl
e
-
l
a
y
er
ph
os
ph
or
s
tr
uc
tu
r
e,
the
l
i
gh
t
i
n
g
eff
i
c
i
en
c
y
of
pc
-
LE
Ds
i
s
prom
ote
d g
r
ea
t
l
y
c
om
pa
r
ed
to
a
s
i
ng
l
e
l
a
y
er s
tr
uc
ture:
(
5)
T
he
Mi
e
-
th
eo
r
y
i
s
us
e
d
i
n
the
an
a
l
y
s
i
s
of
s
c
att
erin
g
of
ph
os
ph
or
pa
r
t
i
c
l
es
.
Mo
r
eo
v
e
r
,
throug
h
th
e
f
ol
l
o
w
i
ng
ex
pres
s
i
on
a
pp
l
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ed
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he
M
i
e
the
or
y
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th
e
s
c
att
er
i
ng
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r
os
s
s
ec
ti
on
C
sca
f
or
1
2
10
B
h
P
B
P
B
e
−
=
11
22
10
1
11
1
()
2
YB
hh
BY
PB
P
Y
e
e
−−
=−
−
2
2
20
B
h
P
B
P
B
e
−
=
22
22
20
2
22
1
()
2
YB
hh
BY
PB
P
Y
e
e
−−
=−
−
2
2
1
1
11
(
)
(
)
0
P
B
P
Y
P
B
P
Y
P
B
P
Y
+
−
+
+
Evaluation Warning : The document was created with Spire.PDF for Python.
T
E
L
KO
M
NIK
A
IS
S
N: 1
69
3
-
6
93
0
◼
B
en
efi
ts
of
tr
i
pl
e
-
l
ay
er r
e
mo
te
ph
os
ph
or s
tr
uc
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e i
n
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T
hu
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u
i
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2945
s
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eric
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o
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ted
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t
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o
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h
e
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an
s
m
i
tte
d
l
i
gh
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po
w
er
c
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n
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c
al
c
u
l
at
ed
b
y
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he
La
m
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r
t
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l
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w
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I
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p(
-
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x
t
L)
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6)
h
ere,
I
0
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s
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e
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nc
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pr
es
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ed
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s
as
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r
de
ns
i
t
y
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s
tr
i
b
u
ti
on
of
p
arti
c
l
es
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m
m
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)
.
C
e
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(
m
m
2
)
i
s
the
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ti
nc
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s
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on
of
ph
os
ph
or part
i
c
l
es
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he
ex
pres
s
i
on
(
5)
ha
s
prov
e
d
tha
t
us
i
n
g
m
an
y
ph
o
s
ph
or
l
a
y
ers
i
s
m
ore
l
uc
r
ati
v
e
to
l
um
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no
us
f
l
ux
tha
n
us
i
ng
s
i
ng
l
e
l
a
y
er,
a
nd
th
i
s
ha
s
be
en
c
l
ea
r
l
y
de
m
on
s
tr
ate
d
i
n
F
i
gu
r
e
6
whos
e
r
es
ul
ts
i
nd
i
c
ate
d
t
ha
t
am
on
g
f
ou
r
s
tr
uc
tures
,
Y
s
tr
uc
tu
r
e
r
es
ul
t
ed
i
n
t
he
l
o
w
es
t
l
u
m
i
no
us
f
l
ux
at
an
y
A
CCT
w
he
r
e
as
,
i
n
Y
RG
s
tr
uc
ture,
the
l
um
i
no
u
s
r
ea
c
he
d
t
he
hi
gh
es
t
v
al
ue
.
T
he
r
ef
ore,
ac
c
ordi
ng
to
thi
s
r
es
u
l
t,
i
t
i
s
un
d
en
i
ab
l
e
tha
t
i
n t
erm
of
ad
v
an
t
ag
es
i
n
em
i
tte
d l
um
i
no
us
f
l
ux
,
Y
G
R
s
tr
uc
ture
ha
s
the
be
s
t
r
es
u
l
t
a
l
on
g
w
i
t
h
i
ts
hi
g
he
s
t
c
ol
or
qu
a
l
i
t
y
.
W
hi
l
e,
w
i
t
h
th
e
c
on
tr
i
bu
ti
on
of
green
p
ho
s
ph
or
l
a
y
er
S
r
B
a
S
i
O
4
:
E
u
2+
,
Y
G
s
tr
uc
ture
i
s
i
n
the
s
ec
on
d
p
l
ac
e
f
or
i
ts
i
m
prov
e
m
en
t
i
n
att
a
i
ne
d
l
um
i
no
us
f
l
ux
.
T
he
gree
n
p
ho
s
ph
or
l
a
y
er
S
r
B
aS
i
O
4
:E
u
2+
s
up
p
orts
the
gr
o
w
th
of
green
l
i
g
hts
c
om
po
ne
nt
an
d
em
i
s
s
i
on
s
pe
c
tr
um
i
n
the
w
a
v
el
e
ng
th
r
a
ng
e
f
r
om
50
0
nm
to
60
0
nm
.
O
bv
i
ou
s
l
y
,
i
n
thi
s
r
a
ng
e,
Y
G
ha
s
h
i
gh
er
em
i
tte
d
i
nt
en
s
i
t
y
t
ha
n
bo
th
Y
R
an
d
Y
d
ue
to
i
ts
l
o
wes
t
c
on
c
en
tr
at
i
on
of
Y
A
G
:C
e
3+
ph
os
ph
or
f
or
r
em
ai
ni
ng
A
C
CT
.
A
t
t
ha
t
ti
m
e,
Y
RG
s
tr
u
c
ture
r
ed
uc
ed
the
oc
c
urr
i
ng
s
c
att
erin
g
l
i
g
hts
af
ter
a
de
c
r
ea
s
e
i
n
Y
A
G
:Ce
3+
c
on
c
en
tr
ati
on
.
B
l
ue
l
i
g
hts
f
r
om
LE
D
c
hi
ps
are
e
as
i
l
y
tr
a
ns
m
i
tt
ed
thro
ug
h
Y
A
G
:
Ce
3+
l
a
y
er
to
oth
er
l
a
y
ers
.
In
oth
er
wor
ds
,
Y
RG
s
tr
uc
ture
as
s
i
s
ts
th
e
e
ne
r
g
y
of
bl
ue
l
i
gh
ts
f
r
om
the
L
E
D
c
h
i
p
to
be
ef
f
i
c
i
en
tl
y
c
on
v
erted.
T
he
r
ef
ore,
l
um
i
no
us
f
l
ux
i
nte
ns
i
t
y
of
Y
RG
s
tr
uc
ture
i
s
hi
gh
es
t
w
he
n
c
om
pa
r
i
ng
t
o
tha
t
of
oth
er
r
em
ote
ph
os
ph
or
l
a
y
ers
i
n
the
s
am
e
wav
el
en
gt
h
r
an
g
e
of
w
hi
te
l
i
g
hts
.
I
n
c
on
s
e
q
ue
nc
es
of
th
i
s
r
es
ul
t, t
he
l
um
i
no
us
f
l
ux
th
a
t
Y
RG
s
tr
uc
ture
em
i
ts
ha
s
ob
ta
i
ne
d t
h
e h
i
gh
es
t v
a
l
ue
.
F
i
gu
r
e
6.
L
um
i
no
us
f
l
ux
of
ph
os
ph
or c
on
f
i
gu
r
ati
on
s
c
o
r
r
es
po
nd
i
ng
t
o
A
CCT
s
In
th
i
s
w
a
y
,
Y
RG
s
tr
uc
tur
e
c
an
be
c
ho
s
en
as
i
t
i
s
ou
ts
tan
di
ng
i
n
en
h
an
c
i
ng
op
ti
c
a
l
c
ha
r
ac
teri
s
ti
c
s
of
W
LE
Ds
i
n
c
l
ud
i
ng
CQ
S
a
nd
L
E
.
H
o
w
e
v
er,
when
m
en
ti
on
i
ng
c
o
l
or
qu
a
l
i
t
y
i
s
s
ue
,
c
ol
or
un
i
f
orm
i
t
y
c
an
b
e
i
g
n
ored.
T
he
r
e
are
m
an
y
m
eth
od
s
us
ed
to
i
m
prov
e
c
o
l
or
qu
al
i
t
y
,
on
e
of
whi
c
h
i
s
t
he
us
a
ge
of
s
c
att
erin
g
en
h
an
c
em
en
t
pa
r
ti
c
l
es
s
uc
h
as
S
i
O
2
,
Ca
CO
3,
..
.
or
c
on
f
or
m
al
ph
os
ph
or
c
on
f
i
g
urat
i
on
.
A
l
tho
u
gh
the
c
ol
or
u
ni
f
orm
i
ty
i
s
m
ag
ni
f
i
ed
w
h
en
ap
pl
y
i
n
g
the
s
e
t
wo
m
eth
od
s
,
the
l
um
i
no
us
f
l
u
x
v
a
l
ue
c
ou
l
d
b
e
great
l
y
de
c
l
i
ne
d
.
W
he
r
ea
s
,
the
u
s
ag
e
of
gree
n
S
r
B
a
S
i
O
4:E
u
2+
ph
os
ph
or
a
nd
r
ed
S
r
w
F
x
B
y
O
z
:
E
u
2+
,S
m
2+
ph
os
p
ho
r
i
nc
r
ea
s
es
n
ot
on
l
y
s
c
att
erin
g
propert
i
es
b
ut
al
s
o
ad
di
t
i
o
na
l
gree
n
or
r
ed
l
i
g
hts
i
n
W
LE
D
s
to
pro
du
c
e
m
ore
whi
t
e
l
i
g
hts
wi
th
be
tte
r
qu
al
i
t
y
.
Mo
r
e
ov
er,
us
i
ng
r
em
ote
ph
os
ph
or
s
tr
uc
tures
al
s
o
c
on
tr
i
b
ute
s
to
en
h
an
c
i
n
g
em
i
tte
d
l
um
i
no
us
f
l
ux
s
i
nc
e
the
b
ac
k
r
e
f
l
ec
ti
on
to
L
E
D
c
hi
ps
i
s
m
i
ni
m
i
z
ed
.
Ho
w
e
v
er,
t
he
r
e
i
s
a
ne
ed
i
n
a
pp
r
o
pria
t
el
y
c
o
nt
r
ol
l
i
ng
th
e
c
on
c
e
ntrat
i
on
of
ph
os
p
ho
r
l
a
y
ers
t
o
ac
h
i
e
v
e
the
h
i
gh
es
t
tr
an
s
m
i
tte
d e
ne
r
g
y
,
w
h
i
c
h c
an
b
e p
r
o
v
e
n b
y
th
e L
am
be
r
t
-
B
ee
r
l
a
w
i
n (6)
.
Evaluation Warning : The document was created with Spire.PDF for Python.
◼
IS
S
N: 16
93
-
6
93
0
T
E
L
KO
M
NIK
A
V
ol
.
1
7
,
No
.
6
,
D
ec
em
be
r
2019
:
29
4
0
-
2947
2946
Des
c
r
i
be
d
i
n
F
i
g
ure
7
i
s
th
e
c
om
pa
r
i
s
on
of
c
ol
or
de
v
i
at
i
on
of
r
em
ote
ph
os
ph
or
s
tr
uc
tures
.
T
he
s
m
al
l
er
th
e
v
a
l
u
e
of
c
ol
or
de
v
i
ati
on
,
the
be
tte
r
th
e
c
ol
or
un
i
f
or
m
i
t
y
.
It
c
an
be
s
ee
n
ob
v
i
ou
s
l
y
f
r
o
m
F
i
gu
r
e
7
tha
t
Y
RG
s
tr
uc
ture
r
es
u
l
t
s
i
n
the
s
m
al
l
es
t
c
ol
or
de
v
i
ati
o
n,
an
d
thi
s
c
ou
l
d
b
e
d
em
on
s
tr
ate
d
b
y
s
c
att
erin
g
e
v
e
nts
oc
c
urr
i
ng
i
ns
i
de
t
he
LE
D
pa
c
k
ag
e
b
ef
ore
em
i
tti
ng
whi
t
e
l
i
gh
ts
.
T
he
m
ore
ph
os
ph
or
l
a
y
er
i
n
the
L
E
D
pa
c
k
ag
e,
the
m
ore
oc
c
urr
i
ng
s
c
att
er
i
ng
ev
e
nts
,
a
nd
as
a
r
es
ul
t,
th
e
c
ol
or
u
ni
f
orm
i
t
y
of
W
LE
Ds
i
s
en
h
an
c
ed
.
O
b
v
i
o
us
l
y
,
i
f
the
r
e
are
m
or
e
oc
c
urr
i
ng
s
c
att
er
i
ng
e
v
e
nt
s
,
i
t
c
o
ul
d
l
ea
d
to
th
e
l
u
m
i
no
us
f
l
ux
de
c
r
ea
s
e.
Ne
v
erth
el
es
s
,
thi
s
de
c
r
ea
s
e
i
s
n
eg
l
i
g
i
b
l
e
whe
n
c
om
pa
r
ed
to
ga
i
ne
d
be
n
ef
i
ts
f
r
o
m
m
i
ni
m
i
z
i
ng
t
he
b
ac
k
s
c
att
erin
g
ef
f
ec
t.
T
hu
s
,
Y
RG
s
tr
uc
tur
e
c
an
at
tai
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t
he
be
s
t
c
ol
or
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i
f
or
m
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t
y
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ts
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gh
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O
n
the
c
on
tr
ar
y
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s
tr
uc
tu
r
e
pres
e
nts
th
e
hi
gh
es
t
c
ol
or
de
v
i
at
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on
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al
l
A
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s
.
F
i
gu
r
e
7.
C
orel
ate
d
c
ol
or t
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m
pe
r
atu
r
e d
ev
i
at
i
o
n (D
-
CC
T
)
o
f
r
e
m
ote
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os
ph
or c
on
f
i
gu
r
at
i
o
ns
c
orr
es
po
nd
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ng
t
o
A
CCT
s
4.
Co
n
clus
ion
T
hi
s
arti
c
l
e
d
em
on
s
tr
ate
s
t
he
c
om
pa
r
i
s
on
of
o
pti
c
a
l
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f
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c
i
en
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y
of
f
ou
r
s
tr
uc
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G
,
Y
R
an
d
Y
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at
f
i
v
e
d
i
f
f
erent
A
CCT
s
.
Me
a
n
w
h
i
l
e,
t
he
green
S
r
B
aS
i
O
4:
E
u
2+
ph
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s
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or
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nd
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ed
Sr
w
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x
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z
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m
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eo
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r
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d
r
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r
c
h
r
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am
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b
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th
e
M
i
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La
m
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t
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c
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l
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t
o
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m
prov
e
th
e
c
o
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or
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i
f
or
m
i
ty
a
nd
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tte
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l
um
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no
us
f
l
u
x
.
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e,
Y
G
s
tr
uc
ture
att
ai
ns
the
be
tte
r
l
um
i
no
us
f
l
ux
an
d
c
ol
or
un
i
f
or
m
i
t
y
t
ha
n
Y
R
s
tr
uc
ture
.
I
n
ad
d
i
t
i
on
,
i
t
i
s
po
s
s
i
bl
e
to
he
i
gh
te
n
CRI
an
d
CQ
S
b
y
a
n
i
nc
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e
as
e
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n
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l
i
gh
ts
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m
po
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nt
throug
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t
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r
ed
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r
w
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or.
A
s
the
c
on
s
e
q
ue
nc
e,
Y
R
s
tr
uc
ture
ac
hi
e
v
es
the
h
i
gh
er
CRI
an
d
CQ
S
tha
n
Y
G
s
tr
uc
ture.
It
i
s
ea
s
y
to
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e
al
i
z
e
tha
t
t
he
c
o
l
or
qu
al
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t
y
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pe
n
ds
on
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he
b
al
a
nc
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am
on
g
three
c
o
m
pl
em
en
tar
y
c
o
l
ors
:
y
e
l
l
o
w
,
gre
en
an
d
r
ed
.
Y
RG
c
ou
l
d
f
ul
f
i
l
l
th
e
m
an
ag
em
en
t
of
the
s
e
t
hree
c
ol
ors
.
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es
i
d
es
,
t
he
r
e
du
c
t
i
on
i
n
b
ac
k
s
c
att
erin
g
of
Y
RG
l
a
y
er
he
l
ps
the
l
um
i
no
us
f
l
ux
of
th
i
s
c
on
f
i
gu
r
at
i
on
i
s
c
on
s
i
de
r
a
bl
y
i
nc
r
ea
s
e
d.
T
he
ev
i
de
n
c
e
i
s
tha
t
the
r
e
ac
he
d
h
i
gh
es
t
v
al
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of
l
um
i
no
us
f
l
ux
i
s
f
r
o
m
Y
RG
s
tr
uc
ture.
B
as
ed
on
the
r
es
ul
ts
i
n
t
hi
s
s
tud
y
,
m
an
uf
ac
t
urer
s
w
i
l
l
f
i
nd
i
t
ea
s
y
t
o s
el
ec
t a
n
ap
propr
i
a
te
s
tr
uc
ture f
or the
i
r
qu
al
i
t
y
en
ha
nc
em
en
t o
f
W
LE
Ds
.
Ref
er
en
ce
s
[1
]
G
u
o
ZQ,
L
u
HL,
S
h
i
h
TM
,
L
i
n
Y
,
L
u
Y
J
,
Che
n
Z.
S
p
e
c
tra
l
O
p
ti
m
i
z
a
ti
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o
f
Can
d
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-
L
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W
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Light
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m
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Dio
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Re
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In
d
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m
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s
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y
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J
o
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rn
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o
f
Di
s
p
l
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y
Te
c
h
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2
0
1
6
;
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2
(1
1
):
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3
9
3
-
1
3
9
7
.
[2
]
Ran
M
a
R,
Cha
o
y
a
n
g
M
a
CY
,
J
i
a
n
ta
o
Z
h
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Y
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Y
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Cao
Y
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.
En
e
rg
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tra
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ty
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Al
5
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12
:
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3+
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p
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.
O
p
t
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c
a
l
M
a
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l
s
Ex
p
r
e
s
s
.
2
0
1
7
;
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(2
):
4
5
4
-
467.
[3
]
An
h
ND
Q
,
Vi
n
h
NH
,
L
e
e
HY
.
Eff
e
c
t
o
f
Red
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m
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Sr
2
.4
1
F
2
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9
B
2
0
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0
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2
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0
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4
8
P
h
o
s
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Col
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r
Ren
d
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g
In
d
e
x
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d
L
u
m
i
n
o
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s
Eff
i
c
a
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y
o
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W
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L
EDs
.
Curr
e
n
t
O
p
t
i
c
s
a
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d
Ph
o
to
n
i
c
s
.
2
0
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7
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1
(2
):
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-
124.
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or s
tr
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T
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c
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B
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)
2947
[4
]
L
i
NQ
,
Zh
a
n
g
Y
,
Q
u
a
n
Y
W
,
L
i
L
,
Y
e
SH,
Fa
n
Q
L
,
Hua
n
g
W
.
Hig
h
-
e
ff
i
c
i
e
n
c
y
s
o
l
u
ti
o
n
-
p
ro
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e
s
s
e
d
W
O
L
EDs
w
i
th
v
e
ry
h
i
g
h
c
o
l
o
r
re
n
d
e
r
i
n
g
i
n
d
e
x
b
a
s
e
d
o
n
a
m
a
c
r
o
s
p
i
ro
c
y
c
l
i
c
o
l
i
g
o
m
e
r
m
a
tri
x
h
o
s
t
.
O
p
ti
c
a
l
M
a
te
ri
a
l
s
Ex
p
r
e
s
s
.
2
0
1
8
;
8
(1
0
):
3
2
0
8
-
3
2
1
9
.
[5
]
L
i
YY
,
Che
n
J
J
,
Fe
n
g
H
H,
Che
n
H,
W
a
n
g
Q
M
.
Rug
a
te
fi
l
t
e
rs
u
s
e
d
i
n
s
l
i
t
-
l
a
m
p
d
e
l
i
v
e
ry
to
i
m
p
r
o
v
e
c
o
l
o
r
re
n
d
e
ri
n
g
o
f
i
l
l
u
m
i
n
a
t
i
o
n
f
o
r re
ti
n
a
l
p
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o
t
o
c
o
a
g
u
l
a
ti
o
n
.
A
p
p
l
i
e
d
Opt
i
c
s
.
2
0
1
4
;
5
3
(1
5
):
3
3
6
1
-
3
3
6
9
.
[6
]
Y
i
y
u
O
u
YY
,
Core
l
l
DD
,
Da
m
-
Han
s
e
n
C,
Pe
t
e
rs
e
n
PM
,
O
u
HY
.
An
ti
re
fl
e
c
ti
v
e
s
u
b
-
w
a
v
e
l
e
n
g
th
s
tru
c
tu
re
s
fo
r
i
m
p
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v
e
m
e
n
t
o
f
th
e
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x
tra
c
ti
o
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e
ff
i
c
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y
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n
d
c
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d
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n
g
i
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d
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x
o
f
m
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w
h
i
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e
light
-
e
m
i
tt
i
n
g
d
i
o
d
e
.
O
p
ti
c
s
E
x
p
re
s
s
.
2
0
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1
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):
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[7
]
He
G
X
G
X
,
T
a
n
g
J
.
St
u
d
y
o
n
t
h
e
c
o
rre
l
a
ti
o
n
s
b
e
tw
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e
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o
r re
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d
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i
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d
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p
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tra
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p
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w
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d
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b
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t
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s
:
c
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m
m
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t.
O
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s
Ex
p
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s
s
.
2
0
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5
;
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(3
):
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4
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.
[8
]
Hun
g
PC,
T
s
a
o
J
Y
.
M
a
x
i
m
u
m
W
h
i
te
L
u
m
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s
E
ff
i
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Rad
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Ve
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Col
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Ren
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I
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Col
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:
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Re
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Us
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fu
l
An
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c
Ex
p
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J
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Dis
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2
0
1
3
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6
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[9
]
Huy
a
l
IO,
O
z
e
l
T
,
Ko
l
d
e
m
i
r
U,
Niz
a
m
o
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l
u
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T
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Dem
i
r
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W
h
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t
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m
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tt
i
n
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p
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fl
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o
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b
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UV
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m
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Niz
a
m
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u
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X
W
,
Dem
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A
p
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c
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Y
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a
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618.
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