Definitions for "Image Intensifier" Add To Word List
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A device that uses photo multiplier technology to amplify the available light to increase the sensitivity of a closed circuit TV camera.
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Electronic device used to provide a brighter output image than the input image.
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This device is used to intensify low-level lighting conditions via light sensitive phosphor screens, and is specifically used to improve the performance of surveillance cameras in low light conditions.
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A device that uses fibre optics to increase the sensitivity of a pick up tube.
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A device that uses light sensitive phospor screens to intensify light, and improve camera performance in low light conditions
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An electronic device which is used to amplify small amounts of light into usable amounts of light to produce a video picture. The device uses very high voltages to accelerate photons in a vacuum tube. The device is placed between a lens mount and an image device such as a vidicon or CCD. The lenses used on cameras with intensifiers must have special attributes with f-stops of up to f/1200.
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An electronic device used to provide an output image that is brighter than the input image.
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An electronic device that provides a brighter image than that produced by the unaided action of an X-ray beam on a flourescent screen.
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An electronic attachment to a lens system that amplifies incoming light. Also called night viewing device.
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is a device which intensifies light by using light sensitive phosphor screens. It is used to improve camera performance under low light conditions.
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A device coupled by fiber optics to a camera image pickup sensor to increase sensitivity.
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A device similar to the light-sensitive cathode-ray tube in a television camera, and which responds to a single electron displacement caused by the impact of electromagnetic radiation producing thousands of times as many electrons, thereby intensifying a faint image into a brighter image when the larger number of electrons strike a surface that glows upon electron collision.
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A vacuum-tube device, generally 18 to 25 mm in diameter, that comprises a photocathode input (a coating of multi-alkali or semiconductor layers on the inside of the input window) and a phosphor screen (a fluorescing phosphor coating on the inside of the output window). Also included are either simple grid-shaped electrodes (early intensifier technology) to accelerate electrons through the tube or a complex electron-multiplying microchannel plate (later intensifier technology).
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An image intensifier is a device that amplifies visible and near-infrared light from an image so that a dimly lit scene can be viewed by a camera or by eye. Unlike a thermographic camera, an image intensifier does not work in the total absence of visible (or near infra-red) light. It does, however, create a more realistic image, because the intensities it shows are related to true optical intensity and not to temperature.
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