Electronic speckle pattern interferometry
id:
electronic-speckle-pattern-interferometry-170-3918384
title:
Electronic speckle pattern interferometry
text:
Electronic speckle pattern interferometry (ESPI), also known as TV holography, is a technique that uses laser light, together with video detection, recording and processing, to visualise static and dynamic displacements of components with optically rough surfaces. The visualisation is in the form of fringes on the image, where each fringe normally represents a displacement of half a wavelength of the light used. ESPI can be used for stress and strain measurement, vibration mode analysis and nond
brand slug:
wiki
category slug:
encyclopedia
description:
original url:
https://en.wikipedia.org/wiki/Electronic_speckle_pattern_interferometry
date created:
2008-04-26T14:45:36Z
date modified:
2024-09-01T00:13:30Z
main entity:
{"identifier":"Q5358427","url":"https://www.wikidata.org/entity/Q5358427"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/2/2e/Fringe_created_by_electronic_speckle_pattern_interferometry_.jpg","width":698,"height":612}
fields total:
13
integrity:
15