A laser beam of 0.005 W with photon energy of 1.6 eV is incident on a GaAs PIN phot-detector. The detector i-region width is 6 um, its cross sectional area is A= 0.8 cm, and its absorption coefficient at the incident photon energy is aGRAs =1x 10 cm'. If 20% of the incident photon flux is reflected back at the detector surface, calculate the detector photo-current IL: Select one: O A. IL = 0.00230 A B. IL = 9.02e-4 A C. IL = 8.00e-5 A D. IL = 8.00e-4 A E. IL = 0.00130 A

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A laser beam of 0.005 W with photon energy of 1.6 eV is incident on a GaAs PIN phot-detector. The detector i-region width
is 6 um, its cross sectional area is A 0.8 cm', and its absorption coefficient at the incident photon energy is agaAs =1 × 10
cm. If 20% of the incident photon flux is reflected back at the detector surface, calculate the detector photo-current I :
Select one:
O A. IL = 0.00230 A
O B. IL = 9.02e-4 A
O C. IL = 8.00e-5 A
D. IL = 8.00e-4 A
OE. IL 0.00130 A
Clear my choice
Transcribed Image Text:A laser beam of 0.005 W with photon energy of 1.6 eV is incident on a GaAs PIN phot-detector. The detector i-region width is 6 um, its cross sectional area is A 0.8 cm', and its absorption coefficient at the incident photon energy is agaAs =1 × 10 cm. If 20% of the incident photon flux is reflected back at the detector surface, calculate the detector photo-current I : Select one: O A. IL = 0.00230 A O B. IL = 9.02e-4 A O C. IL = 8.00e-5 A D. IL = 8.00e-4 A OE. IL 0.00130 A Clear my choice
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