collimating lens


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Related to collimating lens: beam collimation

collimating lens

[′käl·ə‚mād·iŋ ‚lenz]
(optics)
A lens on a collimator used to focus light from a source near one of its focal points into a parallel beam.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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References in periodicals archive ?
Optical aberrations in the collimating lens mechanism can degrade the quality of OCT images first by introducing imperfections to the collimated beam in the forward path, which can increase the sample spot size, and second by reducing the coupling efficiency to the fiber, which decreases the signal-to-noise ratio (SNR) in OCT images.
Therefore, the fiber and collimating lens should be aligned very carefully.
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The modules are cylindrical with an optional 25 mm mounting flange and consist of an aluminum housing, laser diode, drive circuit and collimating lens. The mechanical dimensions are a 12 mm diameter x 43 mm length.
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The housing holds a self-contained diode laser package with a built-in collimating lens to shape the beam.
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The Glimmerglass switch couples light from an input array through a collimating lens array to a MEMS mirror array.
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The modules consist of an anodized aluminum housing, laser diode, drive circuit and collimating lens, either cylindrical or with a 25 mm mounting flange.
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A special collimating lens captures, then focuses the light from the LEDs to the fiber optic panel.
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