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8 September 1994 Laser Doppler accelerometer: a new instrument
Steve J. Rothberg, Jeremy M. Coupland
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Proceedings Volume 2358, First International Conference on Vibration Measurements by Laser Techniques: Advances and Applications; (1994) https://doi.org/10.1117/12.185337
Event: Vibration Measurements by Laser Techniques: First International Conference, 1994, Ancona, Italy
Abstract
This paper describes the invention of an entirely new interferometric transducer for remote measurement of vibration acceleration. Compared to Laser Doppler Velocimetry, the device will offer more straightforward operation for the engineering user by incorporating an optical configuration in which path lengths are inherently matched. The Laser Doppler Accelerometer will complement use of piezoelectric accelerometers in all situations where noncontact operation is necessary but its most important applications lie beyond the working range of piezoelectric accelerometers where extremely high accelerations or high shocks are encountered.
© (1994) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
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Steve J. Rothberg and Jeremy M. Coupland "Laser Doppler accelerometer: a new instrument", Proc. SPIE 2358, First International Conference on Vibration Measurements by Laser Techniques: Advances and Applications, (8 September 1994); https://doi.org/10.1117/12.185337
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KEYWORDS
Doppler effect
Interferometry
Laser applications
Laser Doppler velocimetry
Transducers
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