All-Fiber Reference-Beam LDV-Probe For In-Field Shafts Torsional Monitoring

Massimo Cairoli; Mario Martinelli

doi:10.1117/12.949351

10 March 1989 All-Fiber Reference-Beam LDV-Probe For In-Field Shafts Torsional Monitoring

Massimo Cairoli, Mario Martinelli

Proceedings Volume 1012, In-Process Optical Measurements; (1989) https://doi.org/10.1117/12.949351
Event: 1988 International Congress on Optical Science and Engineering, 1988, Hamburg, Germany

Abstract

A novel instrument based on the Laser-Doppler Velocimetry (LDV) principles has been developed for the in-field detection of torsional oscillations on rotating machinery. The LDV-probe permits the high sensitivity detection of the tangential velocity change on unprepared rough shafts. The probe is realized by means of the micro-optics and all-fiber technology in a compact assembly. E.M. immunity, easy handling and stoutness make the probe suitable for the in-field operation.

Citation Download Citation

Massimo Cairoli and Mario Martinelli "All-Fiber Reference-Beam LDV-Probe For In-Field Shafts Torsional Monitoring", Proc. SPIE 1012, In-Process Optical Measurements, (10 March 1989); https://doi.org/10.1117/12.949351

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