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7 terms
Photonics Dictionary: E
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electron speckle pattern interferometry
A method for detecting vibration amplitudes analogous to image holography, except that the film emulsion is replaced by a television target.
electron-gun system
An electron-gun system is an assembly used to generate and control a focused beam of electrons. Electron guns find applications in various fields, including cathode ray tubes (CRTs), electron...
electronic windowing
In target tracking, a technique for speeding up the image processing by removing bunches of pixels that are outside the area of interest.
endoscope
An endoscope is a medical device used for visualizing and examining the interior of hollow organs, body cavities, or confined spaces within the body. It consists of a flexible or rigid tube equipped...
enzyme-linked immunosorbent assay
An enzyme-linked immunosorbent assay (ELISA) is a laboratory technique used to detect and measure the presence of specific substances, such as antibodies, antigens, proteins, hormones, or other...
error function
A single number, defined by the computer program or the user that expresses the performance of an optical system. Also known as merit function and defect function, the error function comprises...
excitation volume
The amount of x-rays used to penetrate and diffuse a target sample undergoing electron-probe microanalysis.
Photonics Dictionary
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