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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 27, Iss. 15 — Aug. 1, 2002
  • pp: 1339–1341

Real-time nanometer-vibration measurement with a self-mixing microchip solid-state laser

Kenju Otsuka, Kazutaka Abe, Jing-Yuan Ko, and Tsong-Shin Lim  »View Author Affiliations


Optics Letters, Vol. 27, Issue 15, pp. 1339-1341 (2002)
http://dx.doi.org/10.1364/OL.27.001339


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Abstract

Nanometer vibration analysis of a target has been demonstrated by a self-aligned optical feedback vibrometry technique that uses a laser-diode-pumped microchip solid-state laser. The laser output waveform, which was modulated through interference between a lasing field and an extremely weak (<- 100-dB) frequency-modulated (FM) feedback field, was analyzed by the Hilbert transformation to yield the vibration waveform of the target. Experimental signal characteristics have been reproduced by numerical simulations. Real-time vibration measurement has also been achieved with a simple FM demodulation circuit.

© 2002 Optical Society of America

OCIS Codes
(120.7280) Instrumentation, measurement, and metrology : Vibration analysis
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.3580) Lasers and laser optics : Lasers, solid-state

Citation
Kenju Otsuka, Kazutaka Abe, Jing-Yuan Ko, and Tsong-Shin Lim, "Real-time nanometer-vibration measurement with a self-mixing microchip solid-state laser," Opt. Lett. 27, 1339-1341 (2002)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-27-15-1339

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