Wavelength measurement using dual photodetectors

Xiaodong Zeng; Shubin Wu; Yuying An

doi:10.1117/12.401780

5 October 2000 Wavelength measurement using dual photodetectors

Xiaodong Zeng, Shubin Wu, Yuying An

Proceedings Volume 4223, Instruments for Optics and Optoelectronic Inspection and Control; (2000) https://doi.org/10.1117/12.401780
Event: Optics and Optoelectronic Inspection and Control: Techniques, Applications, and Instruments, 2000, Beijing, China

Abstract

Based on the fact that the Si and InGaAs photodiodes have different spectral response curves, a new method for measuring the wavelength of laser beams is proposed. It is shown that this method is simple and reliable. The spectral resolution could be +/- 10 nm.

Citation Download Citation

Xiaodong Zeng, Shubin Wu, and Yuying An "Wavelength measurement using dual photodetectors", Proc. SPIE 4223, Instruments for Optics and Optoelectronic Inspection and Control, (5 October 2000); https://doi.org/10.1117/12.401780

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