Green laser vibrometry based on single-frequency monolithic microchip laser

Arkadiusz J. Antończak; Pawel E. Kozioł; Jaroslaw Z. Sotor; Krzysztof M. Abramski

doi:10.1117/12.883403

8 June 2011 Green laser vibrometry based on single-frequency monolithic microchip laser

Arkadiusz J. Antończak, Pawel E. Kozioł, Jaroslaw Z. Sotor, Krzysztof M. Abramski

Proceedings Volume 8037, Laser Radar Technology and Applications XVI; 80370W (2011) https://doi.org/10.1117/12.883403
Event: SPIE Defense, Security, and Sensing, 2011, Orlando, Florida, United States

Abstract

We have developed a laser vibrometer based on a Nd:YVO₄/YVO₄/KTP monolithic single-frequency green laser operating at 532 nm with narrow linewidth of radiation (~85kHz). Two configurations of laser Doppler vibrometer have been investigate - with so-called single- and double-frequency Bragg shifts. Measurement of heterodyne signals as a mixing result of scattered and reference beams has been performed. In both configurations we have obtained signals with high S/N ratio >30 dB with Resolution Bandwidth RBW = 200 kHz for a vibrometer output power of 3 mW. In our opinion, stable single-frequency solid-state green lasers provide new opportunities for the development of miniature laser vibrometry.

Citation Download Citation

Arkadiusz J. Antończak, Pawel E. Kozioł, Jaroslaw Z. Sotor, and Krzysztof M. Abramski "Green laser vibrometry based on single-frequency monolithic microchip laser", Proc. SPIE 8037, Laser Radar Technology and Applications XVI, 80370W (8 June 2011); https://doi.org/10.1117/12.883403

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