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Proceedings Paper

A Miniature Laser Velocimeter For Use In High Pressure And Vibration Conditions
Author(s): R. G. W. Brown; J. G. Burnett; J. Mansbridge; C. J. Moir
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Paper Abstract

The sizes, costs and fragility of gas lasers and photomultipliers have limited the applications of laser anemometry. Following our recent work with miniature all-solid-state laser anemometers*, we will describe a system for use in confined spaces in hostile environments. In particular we have been concerned with pressures to 25 Bar and high vibration. Operation range is up to 0.5m and with flow velocities up to 20ms-1, useful in many hydrodynamic studies. The velocimeter is packaged in a stainless steel cylindrical canister with an end-face optical port. Particular care is needed in the coupling of these two components. Problems of traversing the measurement volume, aberration-correction and calibration are central to its successful operation.

Paper Details

Date Published: 1 April 1990
PDF: 1 pages
Proc. SPIE 1191, Optical Systems for Space and Defence, (1 April 1990); doi: 10.1117/12.969713
Show Author Affiliations
R. G. W. Brown, Royal Signals & Radar Establishment (United Kingdom)
J. G. Burnett, Royal Signals & Radar Establishment (United Kingdom)
J. Mansbridge, Defence Technology Enterprises Ltd (United Kingdom)
C. J. Moir, Defence Technology Enterprises Ltd (United Kingdom)


Published in SPIE Proceedings Vol. 1191:
Optical Systems for Space and Defence

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