Whole-field vibration phase measurement with electronic speckle pattern interferometry (ESPI)

J. D. Valera, Julian D. Jones, A. F. Doval

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

A stroboscopically illuminated ESPI system is described for the simultaneous measurement of vibration amplitude and phase. The technique involves modulating both the illumination pulse phase relative to the vibration, and the optical phase of the interferometer reference beam to generate eight video frames which are processed to yield vibration amplitude and phase.

Original languageEnglish
Title of host publicationProceedings of SPIE - The International Society for Optical Engineering
Pages201-208
Number of pages8
Volume2342
Publication statusPublished - 1994
EventInterferometry '94: Interferometric Fiber Sensing - Warsaw, Pol
Duration: 16 May 199420 May 1994

Conference

ConferenceInterferometry '94: Interferometric Fiber Sensing
CityWarsaw, Pol
Period16/05/9420/05/94

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