Laser diode interferometers equipped with an electrical feedback loop

Details Laser diode interferometers equipped with an electrical feedback loop Laser diode interferometers equipped with an electrical feedback loop

Sep 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002spie.4919..256s&link_type=abstract

Advanced Materials and Devices for Sensing and Imaging. Edited by Yao, Jianquan; Ishii, Yukihiro. Proceedings of the SPIE, Volu

Physics

Scientific paper

The tunability of the laser diode's operative wavelength is very attractive to realize active interferometer. We review here, a system that possesses this important capability, by virtue of its built-in electrical feedback loop. After describing the basic principles of its phase-control and feedback-signal generation, some selected examples of its implementation, such as displacement-, profile- and distance-measurements, as well as disturbance elimination are presented.

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