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Remote Transducer Based on Coherent Mixing of Backscattered Laser Light.
NTIS#: PB 266 771 :13 pages
A motion transducer based on coherent mixing of laser light backscattered from rough surfaces is evaluated in terms of sensitivity, bandwidth, and range. Tests made with a prototype composed of a 4-mw hene laser, a silicon avalanche photodiode, and a 15-cm-aperture telescope demonstrate that remote measurements with reasonable bandwidth and accuracy are feasible at distances up to 100 meters.
IH; Report of Investigation;
NTIS Accession No.
NTIS#: PB 266 771
Page last reviewed: April 12, 2019
Content source: National Institute for Occupational Safety and Health Education and Information Division