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2/12/2012  Sapphire Optics Transmit From UV to 4.7 Microns 
Custom fabricated sapphire optics which are chemically inert and operate over a wide spectrum for use in blood gas monitors and other medical instruments are available from Meller Optics, Inc. of Providence, Rhode Island.

Meller Sapphire Optics are second only to diamond in terms of hardness and transmit from the UV through 4.7 microns; up to 85% uncoated and can be coated for up to > 99% transmission, depending upon thickness. Manufactured to specification, they can be fabricated in sizes from 1/4” to 10” dia. and 1/2mm to 1” thick with a wide range of custom surface and edge treatments.

Impervious to low temperature chlorine and fluorine gas, blood, and most chemicals, Meller Sapphire Optics can be supplied as windows, flat and stepped, concave or convex, and round or square, with holes and slots. Exhibiting flatness to 1/10th wave, parallelism to 2 arc-sec., and surface finishes to < 0.5nm, they are suited for glass-to-metal sealing or brazing into Kovar® sleeves.

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