An optical fiber cable has a cladding refractive index of 1.59 and a numerical aperture NA=0.225 when placed in air, determine its maximum acceptance angle if it is placed in water with a refractive index of 1.33 O a. 36.11 Degrees O b. 10.95 Degrees Oc. 29.75 Degrees O d. 5.610 Degrees e. 9.740 Degrees

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An optical fiber cable has a cladding refractive index of 1.59 and a numerical aperture NA 0.225 when
placed in air, determine its maximum acceptance angle if it is placed in water with a refractive index of 1.33
O a. 36.11 Degrees
O b. 10.95 Degrees
O c. 29.75 Degrees
O d. 5.610 Degrees
O e. 9.740 Degrees
Transcribed Image Text:An optical fiber cable has a cladding refractive index of 1.59 and a numerical aperture NA 0.225 when placed in air, determine its maximum acceptance angle if it is placed in water with a refractive index of 1.33 O a. 36.11 Degrees O b. 10.95 Degrees O c. 29.75 Degrees O d. 5.610 Degrees O e. 9.740 Degrees
Prof. O M Khreis
Мау 2, 2020
: Si, Ge, GaAs Parameters and Universal Constants
UNIVERSAL CONSTANTS
Properties
SEMICONDUCTOR
h
6.63 x 10-34 J.s
Si
Ge
mo
9.11 x 10-31
Kg
Eg (eV)
ni (cm-3)
Hn (cm2/V – s)
Нp (ст? /V — s)
Ne (cm-3)
No (cm3)
1.1
0.67
1.42
3.14
1.5 x 1010
2.3 x 1013
1.8 x 106
1.602 x 10-19 C
1500
3900
8500
Eo
8.85 x 10-12 F/m
450
1900
400
-34
1.05 х 10°
J- s
2.78 x 1019
1.04 x 1019
4.45 x 1017
K
8.6 x 10-5 eV/K
9.84 x 1018
6 x 1018
7.72 x 1018
26 mV (T = 300 K)
26 meV (T = 300 K)
3 x 10 m/s
KT/q
m/m.
m; /m.
Er (F/m)
0.082
0.98
0.067
KT
0.28
0.49
0.45
11.7
16
13.1
nair = 1
NGAAS = 3.66
Some useful relations
EGAL Ga1-2As(r) = 1.424 + 1.247x
EgInz Ga1-zAs (x) = 0.36 + 1.064.r
1 eV = 1.602 x 10-19 J
1 KG = 1 x 10-5 Wb/cm2
Transcribed Image Text:Prof. O M Khreis Мау 2, 2020 : Si, Ge, GaAs Parameters and Universal Constants UNIVERSAL CONSTANTS Properties SEMICONDUCTOR h 6.63 x 10-34 J.s Si Ge mo 9.11 x 10-31 Kg Eg (eV) ni (cm-3) Hn (cm2/V – s) Нp (ст? /V — s) Ne (cm-3) No (cm3) 1.1 0.67 1.42 3.14 1.5 x 1010 2.3 x 1013 1.8 x 106 1.602 x 10-19 C 1500 3900 8500 Eo 8.85 x 10-12 F/m 450 1900 400 -34 1.05 х 10° J- s 2.78 x 1019 1.04 x 1019 4.45 x 1017 K 8.6 x 10-5 eV/K 9.84 x 1018 6 x 1018 7.72 x 1018 26 mV (T = 300 K) 26 meV (T = 300 K) 3 x 10 m/s KT/q m/m. m; /m. Er (F/m) 0.082 0.98 0.067 KT 0.28 0.49 0.45 11.7 16 13.1 nair = 1 NGAAS = 3.66 Some useful relations EGAL Ga1-2As(r) = 1.424 + 1.247x EgInz Ga1-zAs (x) = 0.36 + 1.064.r 1 eV = 1.602 x 10-19 J 1 KG = 1 x 10-5 Wb/cm2
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