6. Use this information to answer Question 6-7: Photoconductive detector detects light by measuring the changes in resistance caused by light illumination. Consider an n-type Si rectangular bar with a length L = 1 cm, width W = 0.5 mm and thickness t = 5.0 um. Doping density is Np = 1014 cm. Calculate the resistance when it is placed in the dark. Give your answer in unit of N. Answers within 5% error will be considered correct. 1851851 Correct 7. The top surface (1 cm x 0.5 mm) is now uniformly illuminated by monochromatic light at 1.3 ev with power density of 0.3 W/cm?. Calculate the resistance under this condition. Absorption coefficient of silicon at the wavelength of illumination is 1 x 10° cm-1 and the carrie lifetime is = T, = 10-6 s. A simple approximation is to calculate the carrier generation rate by multiplying incident photon flux with absorption coefficient. Give your answer in unit of 2. Answers within 5% error will be considered correct. 88118.41787 Correct
6. Use this information to answer Question 6-7: Photoconductive detector detects light by measuring the changes in resistance caused by light illumination. Consider an n-type Si rectangular bar with a length L = 1 cm, width W = 0.5 mm and thickness t = 5.0 um. Doping density is Np = 1014 cm. Calculate the resistance when it is placed in the dark. Give your answer in unit of N. Answers within 5% error will be considered correct. 1851851 Correct 7. The top surface (1 cm x 0.5 mm) is now uniformly illuminated by monochromatic light at 1.3 ev with power density of 0.3 W/cm?. Calculate the resistance under this condition. Absorption coefficient of silicon at the wavelength of illumination is 1 x 10° cm-1 and the carrie lifetime is = T, = 10-6 s. A simple approximation is to calculate the carrier generation rate by multiplying incident photon flux with absorption coefficient. Give your answer in unit of 2. Answers within 5% error will be considered correct. 88118.41787 Correct
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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