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  • IR and Broadband Optics
Feb 2011
Meller Optics Inc.Request Info
PROVIDENCE, R.I., Feb. 2, 2011 — Infrared and broadband optics that can be custom fabricated and ready for OEM assembly as windows, lenses, mirrors, and prisms made from many materials are available from Meller Optics Inc.

The infrared and broadband optics can be fabricated to precise customer specifications from zinc selenide, zinc sulfide, calcium fluoride, magnesium fluoride, germanium, silicon, sapphire and spinel. They can incorporate mounting holes, slots, stepped edges, wedges, and various antireflection and reflective coatings.

Suitable for use in detector, sensor and front surface applications, the optics can feature planoconvex, planoconcave and meniscus configurations with λ/4 and λ/10 surfaces and finishes to 10-5 scratch-dig. Sizes can range from ¼- to 6-in. outer diameter or diagonal with tolerances to ±0.005 in. and thickness to ±0.002 in., depending upon the material.

The optics conform to MIL-PRF-13830 and are priced according to material, configuration and quantity.


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calcium fluoride
An optical material used in place of crown glass to produce lenses with extraordinary correction of chromatic aberrations. Its high coefficient of thermal expansion and its tendency to absorb moisture limit its range of application.
1. A device designed to convert the energy of incident radiation into another form for the determination of the presence of the radiation. The device may function by electrical, photographic or visual means. 2. A device that provides an electric output that is a useful measure of the radiation that is incident on the device.
A crystalline semiconductor material that transmits in the infrared.
magnesium fluoride
A colorless, crystalline compound whose low refractive index (n = 1.38) makes it effective as a lens antireflection coating when deposited by thermal evaporation in a near vacuum. This process develops a coating that is robust and stable, though only a few molecules thick.
1. A generic term for detector. 2. A complete optical/mechanical/electronic system that contains some form of radiation detector.
zinc sulfide
A polycrystalline material that transmits in the infrared; it is used as a phosphor in x-ray and television screens.
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