Laser diode interferometers equipped with an electrical feedback loop

Takamasa Suzuki; Osami Sasaki

doi:10.1117/12.465656

20 September 2002 Laser diode interferometers equipped with an electrical feedback loop

Takamasa Suzuki, Osami Sasaki

Proceedings Volume 4919, Advanced Materials and Devices for Sensing and Imaging; (2002) https://doi.org/10.1117/12.465656
Event: Photonics Asia, 2002, Shanghai, China

Abstract

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.

Citation Download Citation

Takamasa Suzuki and Osami Sasaki "Laser diode interferometers equipped with an electrical feedback loop", Proc. SPIE 4919, Advanced Materials and Devices for Sensing and Imaging, (20 September 2002); https://doi.org/10.1117/12.465656

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