Analysis of the stability of the LD feedback interferometer and the measurement of the stabilization factor

Minjiang Lu; Yong Ai; Yange Zhang; Chi Liu

doi:10.1117/12.482248

5 September 2002 Analysis of the stability of the LD feedback interferometer and the measurement of the stabilization factor

Minjiang Lu, Yong Ai, Yange Zhang, Chi Liu

Author Affiliations +

Proceedings Volume 4913, Semiconductor Lasers and Applications; (2002) https://doi.org/10.1117/12.482248
Event: Photonics Asia, 2002, Shanghai, China

Abstract

Vibration of the interferometer signal is amplified and fed back to the laser diode after photo-electronic conversion, which controls the injection current of the laser diode. By using the character that the output frequency of the laser diode changes linearly with the injection current, the output frequency can be modulated by the injection current. Through this, phase vibration is compensated and interference pattern is stabilized. This paper describes the formula of the stability. The stabilization factor is measured and the main factors that affect the stability is described. These can supply references to the adjustment of the interferometer, the feedback module and the stability of the interferometer.

Citation Download Citation

Minjiang Lu, Yong Ai, Yange Zhang, and Chi Liu "Analysis of the stability of the LD feedback interferometer and the measurement of the stabilization factor", Proc. SPIE 4913, Semiconductor Lasers and Applications, (5 September 2002); https://doi.org/10.1117/12.482248

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KEYWORDS

Interferometers

Fringe analysis

Modulation

Mirrors

Semiconductor lasers

Information operations

Atrial fibrillation

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