Ispitni Rokovi 2008 2011-Ispit-Opticke Telekomunikacije-Telekomunikacije 3 PDF
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Transcript of Ispitni Rokovi 2008 2011-Ispit-Opticke Telekomunikacije-Telekomunikacije 3 PDF
Rešenje:
1.
a)
( )( ) o
o
41.57cosarcsin
46.76arcsin
21
1
2
==
=
=
θα
θ
n
n
n
m
c
b)
( )o
94.71
2cos
2cos
arctan2arctan2
1
22
1
2
2
2
1
=
−
−−−
=
=β
π
βπ
γφ
n
nnn
kE
33.3
sin2
sin
2tan
1
221
=
−
−
−=
c
s
n
Z
θβπ
βπ
πλ
c)
( )91.6
24
2cos
2cos
arctan22
tan
1
22
1
2
2
2
1
=+
−
−−−
=⇒=
π
βπ
βπ
γ
n
nnnkd
k
kd
015.52
tan22
=
=kdkddγ
891.0=Γ
2. a) OT2_talasovodi_09.pdf, slajdovi 6, 10 b) OT2_talasovodi_09.pdf, slajd 22 c) OT3_opticka_vlakna_09.pdf, slajdovi 19, 25, 26 d) OT2_opticka_vlakna_09.pdf, slajd 37
3.
a) GHzLd
fvtots
gr 46.3187.0
==σ
b)
216
318
1
1017.1
67.1
104.1
28.164
cmdn
dg
ps
cmn
cmg
p
th
th
−
−
−
⋅=
=
⋅=
=
τ
c) ( ) 1
2
0
1
−
+
Ω−
Γ=
∆
∆p
pp
pppj
qdJ
ωτ
τ
ωττ
( ) ( )
( )314
2
22
1047.232
2412−⋅=
−
−−
Ω= cm
f
ff
pgr
pgr
p
pgr
pτπ
τπ
τ
τπ
2
0/183.3 cmkAJ =
d) nstd 21.2=
4.
a) OT4_disperzija_09.pdf, slajd 21 b) OT4_disperzija_09.pdf, slajdovi 26, 27 c) OT4_disperzija_09.pdf, slajd 30 d) OT4_disperzija_09.pdf, slajd 29 e) OT5_izvori_09_deo3.pdf, slajdovi 4, 5
5. a) kmLmaz 017.35=
b) kmLmaz 691.24=
c) dBm
kmL
61.12
24
=
=
d) 91029.1
−⋅=BER e) dB3=δ
6. a) OT6_fotodetektori_09.pdf, slajdovi 4, 7, 8 b) OT6_fotodetektori_09.pdf, slajd 10 c) OT6_fotodetektori_09.pdf, slajd 33 d) OT6_prijemnici_09.pdf, slajdovi 6, 7, 8 e) OT6_prijemnici_09.pdf, slajdovi 9, 10 f) OT6_izvori_09_deo3.pdf, slajdovi 25, 26