optical filter


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optical filter

A device that passes only a portion of the visible light spectrum. Absorption filters absorb the unwanted wavelengths. Interference filters employ the wave effects of constructive and destructive superposition to pass or inhibit appropriate wavelengths.
See also: filter
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References in periodicals archive ?
In the report, the global Mobile Phone Camera Optical Filter market has been analyzed through a segmental perspective.
OPTIMAL DESIGN OF OPTICAL FILTER FOR WHITE-LIGHT INTERFEROMETRY 85
Fluorometers that utilize optical filters to select excitation and emission wavelengths are called filter fluorometers.
Companies that have launched optical filters recently include Acton Optics & Coatings, which has introduced a series of UV-NIR neutral density filters that can deliver broadband performance down to 190nm.
The Vis Optical Filter is available to customers worldwide now.
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.
Objective: The fips proof-of-concept project aims at building a prototype of an ultra-small optical filter which can be integrated into a semiconductor chip.
In addition, SCHOTT will showcase other products from its broad optics portfolio, including active eye-safe laser glasses for use in medical applications such as cosmetic laser treatments in dermatology, interference filters (in the spectral range of 200 nm to 3,000 nm) and optical filter glasses for a wide range of applications.
Tenders are invited for: Athena : large area high-performance optical filter for x-ray instrumentation
Tenders are invited for purchase of laboratory consumables, laboratory glassware, surgical instruments, optical filters, thermometers
The company's transceivers, optical filters, optical systems, and open network (white box) switches are optimized for use with the industry's OEM platforms.
Admesy has developed the Hyperion colorimeter which integrates custom-designed optical filters, state-of-the-art electronics and sensors in a compact robust housing.

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