Four-beam two-focus differential laser velocimetry system

Chunyong Yin; Jihua Guo; Zhengqi Xu; Yunfeng Song

doi:10.1117/12.58727

1 August 1992 Four-beam two-focus differential laser velocimetry system

Chunyong Yin, Jihua Guo, Zhengqi Xu, Yunfeng Song

Author Affiliations +

Optical Engineering, Vol. 31, Issue 8, (August 1992). https://doi.org/10.1117/12.58727

Abstract

A four-beam two-focus differential laser velocimetry system with an acousto-optic modulator, which is suitable for measuring solid deformation or movement at ultralow speed, is presented. The signal-to-noise ratio is good enough for phase discrimination, the frequency response range is 0 to 20 kHz, and the measurable velocity range is 0.001 m/s to 300 mm/s.

Citation Download Citation

Chunyong Yin, Jihua Guo, Zhengqi Xu, and Yunfeng Song "Four-beam two-focus differential laser velocimetry system," Optical Engineering 31(8), (1 August 1992). https://doi.org/10.1117/12.58727

Published: 1 August 1992

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