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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OPTIMAL DESIGN OF OPTICAL FILTER FOR WHITE-LIGHT INTERFEROMETRY 85
Q-Lab is also now offering replacement optical filters for Atlas water-cooled xenon arc weathering testers.
Customers are looking to integrate their electronics with the optical filters.
Ion Tech is a supplier of ion beam deposition systems used to manufacture precise multi-layer optical filters used to extend the bandwidth of fiber optic telecommunications networks.
Researchers from the Massachusetts Institute of Technology have now built a silicon device that integrates a photonic crystal with a light conduit, making a component that could lead to more efficient lasers and better optical filters.
Manufacture and Testing for Extremely Large Optical Filters
38600000 optical instruments, 38620000 polarizing material, mirrors 38622000, 38623000 optical filters, lenses 38651100, 42671100 holders laboratory needs.
Moreover, the same technology may prove useful in fabricating diffraction gratings, optical storage materials, selective solar absorbers, and new types of optical filters and coatings--even molecular coatings built out of large proteins.
Nasdaq: VECO) announced today that Ocean Thin Films, a leading precision optical coatings company, has recently qualified the SPECTOR-HT[TM] Ion Beam Deposition (IBD) System for high-volume production of optical filters to be used in a broad range of applications, including biophotonics, defense, display, aerospace and lighting.
Passive optical filters allow service providers an economical way to increase fiber capacity and allow for multiple optical wavelengths along existing single fibers," said Rodney Wise, director of technology at Walker and Associates, a Sorrento Networks distribution partner.
The same principle can be applied in constructing thin-film optical filters that screen out all but a specified wavelength of light.

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