Effect of sinusoidal modulating on laser diode interferometry

Yange Zhang; Minjiang Lu; Yong Ai; Hengyu Ke

doi:10.1117/12.482222

5 September 2002 Effect of sinusoidal modulating on laser diode interferometry

Yange Zhang, Minjiang Lu, Yong Ai, Hengyu Ke

Proceedings Volume 4913, Semiconductor Lasers and Applications; (2002) https://doi.org/10.1117/12.482222
Event: Photonics Asia, 2002, Shanghai, China

Abstract

This paper gives an expression that describes correlation between sinusoidal —modulated signal and average of interference signal in sinusoidal phase-modulated heterodyne interference. The expression can be used for estimating frequency-modulated coefficient of LD(laser diode)and the influence caused by sinusoidal modulation for the intensity of output LD. Experiments are carried out. The correlation is also used for the distance, the displace and the surface profile measurement.

Citation Download Citation

Yange Zhang, Minjiang Lu, Yong Ai, and Hengyu Ke "Effect of sinusoidal modulating on laser diode interferometry", Proc. SPIE 4913, Semiconductor Lasers and Applications, (5 September 2002); https://doi.org/10.1117/12.482222

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