Novel Instantaneous Laser Doppler Velocimeter
Applied Optics, Vol. 13, Issue 2, pp. 280-285 (1974)
http://dx.doi.org/10.1364/AO.13.000280
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Abstract
A laser Doppler velocimeter capable of directly measuring instantaneous velocities is described. The new LDV uses a novel detection technique based on the utilization of a static slightly defocused spherical Fabry-Perot interferometer used in conjunction with a special mask for the detection of instantaneous Doppler frequency shifts. The essential characteristics of this LDV are discussed, and such a system recently developed is described. Results of turbulent flow measurements show good agreement with data obtained using hot wire anemometry.
Citation
Joel M. Avidor, "Novel Instantaneous Laser Doppler Velocimeter," Appl. Opt. 13, 280-285 (1974)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-13-2-280
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