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Proceedings Paper

Analysis of the stability of the LD feedback interferometer and the measurement of the stabilization factor
Author(s): Minjiang Lu; Yong Ai; Yange Zhang; Chi Liu
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Paper 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.

Paper Details

Date Published: 5 September 2002
PDF: 7 pages
Proc. SPIE 4913, Semiconductor Lasers and Applications, (5 September 2002); doi: 10.1117/12.482248
Show Author Affiliations
Minjiang Lu, Wuhan Univ. (China)
Yong Ai, Wuhan Univ. (China)
Yange Zhang, Wuhan Univ. (China)
Chi Liu, Wuhan Univ. (China)


Published in SPIE Proceedings Vol. 4913:
Semiconductor Lasers and Applications
Yi Luo; Yoshiaki Nakano, Editor(s)

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