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8/4/2008  Sapphire Protective Optics Withstand Abrasion, Harsh Chemicals and Heat 
 
Custom fabricated sapphire optics for protecting cameras, telescopes, sensors, and detectors used in harsh aerospace or underwater environments are available from Meller Optics, Inc. of Providence, Rhode Island.

Meller Sapphire Protective Optics can be custom made in plano-convex and -concave, meniscus, and dome configurations for protecting viewing systems, sensors and detectors used in high-vacuum and high-pressure environments. Featuring 9 Moh hardness, second only to diamond, sapphire optics are well suited for applications where they might be exposed to abrasion from fast moving particles, harsh chemicals, and temperatures to 1,000C.

Manufactured in 3/8 to 4 dia. sizes, with 0.001 tolerances, Meller Sapphire Protective Optics can have surface finishes to 40-20 scratch-dig and incorporate focal lengths from 3/4 to 1000 mm and greater, depending upon size and configuration. Fabricated as viewports and covers for devices used in outer space or underwater, they can have varying thicknesses, precisely drilled holes, special edge treatments, and A/R coatings.

Meller Sapphire Protective Optics are priced according to configuration and quantity. Literature and price quotations are available upon request.
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