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Antireflection Optical Coatings

Photonics.com
Dec 2010
Precision Glass & Optics (PG&O)Request Info
 
SANTA ANA, Calif., Dec. 10, 2010 — Precision Glass & Optics offers antireflection (AR) optical coatings for biomedical and life sciences applications. Suitable for coating on quartz, BK-7, glass and a wide variety of other optical materials, the reliable AR coatings improve performance in optical systems, increasing transmission and enhancing contrast. The company’s thin-film coating capabilities include a chamber that can coat four 24-in.-diameter substrates.

The company provides antireflection coatings ranging from 250 to 2500 nm, including standard broadbands, V-coatings and double-V-coatings matched to a variety of substrates as well as single-layer magnesium fluoride. The standard broadband coatings are used in many research and industrial tasks and perform well on all optical materials. AR coatings can be designed to accommodate custom operational wavelength and angle requirements.

An extensive glass inventory provides high-performance optical components for demanding medical and bioinstrumentation tasks. In addition to optical coatings, the in-house facility has state-of-the-art glass fabrication equipment, including grinding, polishing, machining, scribing, engraving and assembly.

Quick turnaround is provided on a large variety of glass and thin-film-coated optical materials, from square, rectangular, and/or circular parts, to complex shapes and all types of precision optical prisms. These can either be customized to exact specifications or shipped from in-stock items, within a 48-h period, for time-critical projects.

Applications include military/defense, solar, imaging, aerospace, scanning, digital cinema, astronomy and laser manufacturing.


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GLOSSARY
astronomy
The scientific observation of celestial radiation that has reached the vicinity of Earth, and the interpretation of these observations to determine the characteristics of the extraterrestrial bodies and phenomena that have emitted the radiation.
broadband
Indicating a capability to deal with a relatively wide spectral bandwidth.
glass
A noncrystalline, inorganic mixture of various metallic oxides fused by heating with glassifiers such as silica, or boric or phosphoric oxides. Common window or bottle glass is a mixture of soda, lime and sand, melted and cast, rolled or blown to shape. Most glasses are transparent in the visible spectrum and up to about 2.5 µm in the infrared, but some are opaque such as natural obsidian; these are, nevertheless, useful as mirror blanks. Traces of some elements such as cobalt, copper and...
grinding
The process in the manufacture of an optical system that gives it the required geometric shape.
polishing
The optical process, following grinding, that puts a highly finished, smooth and apparently amorphous surface on a lens or a mirror.
quartz
See crystal quartz; fused quartz.
scanning
The successive analysis or synthesizing of the light values or other similar characteristics of the components of a picture area, following a given method.
scribing
The process of perforating a silicon or ceramic substrate with a series of tiny holes along which it will break. Nd:YAG or CO2 lasers are now routinely used.
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