Laser diode phase conjugate interferometer

Yukihiro Ishii

doi:10.1117/12.253215

30 September 1996 Laser diode phase conjugate interferometer

Yukihiro Ishii

Proceedings Volume 2896, Photorefractive Materials; (1996) https://doi.org/10.1117/12.253215
Event: Photonics China '96, 1996, Beijing, China

Abstract

A laser-diode interferometer with a self-pumped (cat) phase- conjugate mirror is presented. The phase is shifted to produce a spatially uniform phase change uncancelled by a phase conjugator between the two beams of an interferometer. An ac interferometer would be realized by means of heterodyne techniques that can be employed by modulating the phase of the conjugate wave by using the frequency-ramped laser diode (LD). In the interferometer, the uniform phase change of a single input is not reserved upon phase conjugation, while relative phases between two inputs are reversed. Effect of cross talk between two input amplitudes on phase-conjugate interferometric phase has been studied. Experimental results are shown.

Citation Download Citation

Yukihiro Ishii "Laser diode phase conjugate interferometer", Proc. SPIE 2896, Photorefractive Materials, (30 September 1996); https://doi.org/10.1117/12.253215

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