optical filter


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optical filter

[′äp·tə·kəl ′fil·tər]
(computer science)
References in periodicals archive ?
Let a(k) be the characteristic of the optical filter in terms of an angular wavenumber k.
In this paper authors have measured amplitude transfer functions of fibre Bragg grating (FBG) technology optical filters with 50 GHz and 100 GHz full width half maximum (FWHM) bandwidth and have evaluated their performance in 2.
Usage of optical filter is to transmit light having certain properties, while blocking the remainder wavelength.
By pushing the boundaries of thin-film technology, IRphotonics has created an optical filter that eliminates all visible wavelengths except for a mild red pointer glow to provide infrared energy above 800nm.
It makes the most of the incredible rendering capabilities of the D810, while utilizing an optical filter adopted to enable beautiful reproduction of vivid reds in images of nebulae that emit H-alpha light , something very difficult with run-of-the-mill digital SLR cameras.
The full-color 2008-2009 optical filter catalog features eight product families.
The optical system features a 3-mm X-ray beam and a combined dual optical filter.
Based on proprietary MEMS tunable optical filter, micro-optics, and micro-alignment structures, the analyzer has a broadband semiconductor light source much brighter than traditional sources, yet is designed for multi-year lifetime.

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