B1. A cylindrical Lambertian light source (radius: r) has a radiance Lo. A photodetector is located at a distance a from

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B1. A cylindrical Lambertian light source (radius: r) has a radiance Lo. A photodetector is located at a distance a from

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B1 A Cylindrical Lambertian Light Source Radius R Has A Radiance Lo A Photodetector Is Located At A Distance A From 1
B1 A Cylindrical Lambertian Light Source Radius R Has A Radiance Lo A Photodetector Is Located At A Distance A From 1 (93.63 KiB) Viewed 37 times
B1. A cylindrical Lambertian light source (radius: r) has a radiance Lo. A photodetector is located at a distance a from the light source. Assuming that the length of the light source is infinite, answer the following questions: (a) What is the irradiance produced by the light source at the photodetector. (10 marks) (b) The photodetector has a responsivity of 100 kV/W and a detection area of 0.1 mm². Lo= 0.5 W/m²-sr. Estimate the output voltage of the detector when a<<r. (5 marks) a Top view Horizontal view Figure B1.
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