engineering recuitment GATE ECE 2023-24 Test Series Electronic Devices Optical Devices Photodetectors
The quantum efficiency (η) and responsivity (R) at a wavelength λ (in μm) in a p-i-n photodetector are related by
1
\(R = \frac{{\eta \times \lambda }}{{1.24}}\)
2
\(R = \frac{\lambda }{{\eta \times 1.24}}\)
3
\(R = \frac{{1.24 \times \lambda }}{\eta }\)
4
\(R = \frac{{1.24}}{{\eta \times \lambda }}\)