Vibration amplitude determination from the spectrum of an autodyne signal of a semiconductor laser

Dimitry A. Mashkov; Anatoli V. Skripal; Dmitry A. Usanov

doi:10.1117/12.518495

23 September 2003 Vibration amplitude determination from the spectrum of an autodyne signal of a semiconductor laser

Dimitry A. Mashkov, Anatoli V. Skripal, Dmitry A. Usanov

Proceedings Volume 5067, Saratov Fall Meeting 2002: Laser Physics and Photonics, Spectroscopy, and Molecular Modeling III; Coherent Optics of Ordered and Random Media III; (2003) https://doi.org/10.1117/12.518495
Event: Saratov Fall Meeting 2002 Laser Physics and Photonics, Spectroscopy, and Molecular Modeling III; Coherent Optics of Ordered and Random Media III, 2002, Saratov, Russian Federation

Abstract

A method of amplitude determination of mechanical vibrations from the spectrum of autodyne signal of semiconductor laser is described. The relation between the vibration amplitude of an object and the frequency of spectral component with the maximal amplitude in the spectrum of the autodyne signal is obtained. The least-squares method is used to obtain the approximation coefficient. Measurements of vibration amplitude of piezoelectric plate were carried out with the help of a semiconductor laser autodyne system.

Citation Download Citation

Dimitry A. Mashkov, Anatoli V. Skripal, and Dmitry A. Usanov "Vibration amplitude determination from the spectrum of an autodyne signal of a semiconductor laser", Proc. SPIE 5067, Saratov Fall Meeting 2002: Laser Physics and Photonics, Spectroscopy, and Molecular Modeling III; Coherent Optics of Ordered and Random Media III, (23 September 2003); https://doi.org/10.1117/12.518495

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KEYWORDS

Semiconductor lasers

Wave plates

Phase shifts

Reflectors

Electronic filtering

Laser systems engineering

Molecular spectroscopy

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