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12 May 1986 Increasing Sensitivity Of A Deflection Measurement System
Alan T. Teruya
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Proceedings Volume 0608, Optical Alignment III; (1986) https://doi.org/10.1117/12.976198
Event: O-E/LASE'86 Symposium, 1986, Los Angeles, CA, United States
Abstract
Synchronous demodulation was applied to the Laser Optical Line of Sight system (LOLOS) used to measure deflections of a canister used in underground testing. The purpose of this was to achieve greater sensitivity and resolution than that found in the original system. Electronics and optical equipment were built or acquired to evaluate the concept. Under laboratory conditions sensitivity to lateral and angular displacements were improved by more than an order of magnitude.
© (1986) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
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Alan T. Teruya "Increasing Sensitivity Of A Deflection Measurement System", Proc. SPIE 0608, Optical Alignment III, (12 May 1986); https://doi.org/10.1117/12.976198
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