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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 25, Iss. 9 — May. 1, 1986
  • pp: 1417–1419

Laser Doppler velocimeter using the self-mixing effect of a semiconductor laser diode

S. Shinohara, A. Mochizuki, H. Yoshida, and Masao Sumi  »View Author Affiliations


Applied Optics, Vol. 25, Issue 9, pp. 1417-1419 (1986)
http://dx.doi.org/10.1364/AO.25.001417


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Abstract

A laser Doppler velocimeter (LDV) using a semiconductor laser diode (LD) with its self-mixing effect has been developed. A Doppler signal, caused by mixing a returned wave with an originally existing wave inside the LD, is detected with a photodetector in the LD package; it is also picked up from the variation of the LD driving voltage. When the returned light is weak enough, it confirms that there is no change in the single-mode oscillation and its spectral width of the LD. A LDV of this type is compact enough for many applications.

© 1986 Optical Society of America

History
Original Manuscript: September 9, 1985
Published: May 1, 1986

Citation
S. Shinohara, A. Mochizuki, H. Yoshida, and Masao Sumi, "Laser Doppler velocimeter using the self-mixing effect of a semiconductor laser diode," Appl. Opt. 25, 1417-1419 (1986)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-25-9-1417

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