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Proceedings Paper

Reference beam laser Doppler velocimeter incorporating fiber optic components
Author(s): Stephen W. James; Robert A. Lockey; David A. Egan; Ralph P. Tatam
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Paper Abstract

A compact reference beam laser Doppler velocimeter, constructed using a semiconductor laser diode, optical fiber components and semiconductor detectors, is reported. The device has been designed to overcome many of the problems commonly associated with reference beam configurations. The anemometer may be operated with the laser diode operation in cw and pulsed modes, demonstrating its applicability to wavelength and time division multiplexing schemes for 3D laser Doppler velocimetry. The probe is used to measure the velocity of a spinning disk in the range -20 m/s to +20 m/s.

Paper Details

Date Published: 29 September 1995
PDF: 7 pages
Proc. SPIE 2546, Optical Techniques in Fluid, Thermal, and Combustion Flow, (29 September 1995); doi: 10.1117/12.221547
Show Author Affiliations
Stephen W. James, Cranfield Univ. (United Kingdom)
Robert A. Lockey, Cranfield Univ. (United Kingdom)
David A. Egan, Cranfield Univ. (United Kingdom)
Ralph P. Tatam, Cranfield Univ. (United Kingdom)


Published in SPIE Proceedings Vol. 2546:
Optical Techniques in Fluid, Thermal, and Combustion Flow
Soyoung Stephen Cha; James D. Trolinger, Editor(s)

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