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

4 Citations (Scopus)

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
Pages241-248
Number of pages8
Volume2248
Publication statusPublished - 1994
EventOptical Measurements and Sensors for the Process Industries - Frankfurt, Ger
Duration: 19 Jun 199419 Jun 1994

Conference

ConferenceOptical Measurements and Sensors for the Process Industries
CityFrankfurt, Ger
Period19/06/9419/06/94

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