electronic speckle pattern interferometry

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• Electronic speckle pattern interferometry — (ESPI) [Jones R Wykes C, Holographic and Speckle Interferometry, 1989, Cambridge University Press] , also known as TV Holography, is a technique which uses laser light, together with video detection, recording and processing to visualise static… …   Wikipedia

• Speckle pattern — A speckle pattern is a random intensity pattern produced by the mutual interference of a set of wavefronts. This phenomenon has been investigated by scientists since the time of Newton, but speckles have come into prominence since the invention… …   Wikipedia

• Speckle imaging — (also known as video astronomy ) describes a range of high resolution astronomical imaging techniques based either on the shift and add ( image stacking ) method or on speckle interferometry methods. These techniques can dramatically increase the …   Wikipedia

• Optical interferometry — combines two or more light waves in an optical instrument in such a way that interference occurs between them. Early interferometers used white light sources and also monochromatic light from atomic sources (e.g., Young s double slit experiment… …   Wikipedia

• speckle interferometry — noun : interferometry in which a composite image of an object is made by recording individual speckle images over a period of time ; specifically : such a technique used in astronomy to generate a clear image of a celestial body blurred by… …   Useful english dictionary

• speckle interferometry — Astron. a photographic technique for clarifying the telescopic images of a star by taking short exposures of the electronic images of the star s speckle pattern and extrapolating properties of the starlight to create a more accurate composite… …   Universalium

• ESPI — Electronic Speckle Pattern Interferometry (Academic & Science » Electronics) * e.spire Communications, Inc. (Business » NASDAQ Symbols) …   Abbreviations dictionary

• Nondestructive testing — or Non destructive testing (NDT) is a wide group of analysis techniques used in science and industry to evaluate the properties of a material, component or system without causing damage.[1] The terms Nondestructive examination (NDE),… …   Wikipedia

• Elektronische Specklemuster-Interferometrie — Die elektronische Speckle Interferometrie, auch ESPI für englisch Electronic Speckle Pattern Interferometry genannt, dient der Analyse von Schwingungen und zur Erfassung von Deformationen. Sie ist ein optisches Messverfahren zur berührungslosen… …   Deutsch Wikipedia

• Holography — (from the Greek, ὅλος hólos whole + γραφή grafē writing, drawing) is a technique that allows the light scattered from an object to be recorded and later reconstructed so that it appears as if the object is in the same position relative to the… …   Wikipedia

• List of electronics topics — Alphabetization has been neglected in some parts of this article (the b section in particular). You can help by editing it. This is a list of communications, computers, electronic circuits, fiberoptics, microelectronics, medical electronics,… …   Wikipedia