Sapphire Windows suit navigation and targeting systems.
Press Release Summary:
Custom fabricated sapphire windows, available in sizes up to 18 in. in dia. x ¼ in. thick, feature transmitted wavefront to ¼ wave, parallelism to 2 arc-sec, and 70:1 aspect ratio. Manufactured to end-user specifications, products have Moh 9 surface hardness for optimal abrasion resistance. Features include surface finishes to 60-40 scratch-dig as well as resistance to water, acids, alkalis, and harsh chemicals to 350°C.
Original Press Release:
Large Sapphire Windows for Navigation and Targeting Systems
Custom fabricated sapphire windows in sizes up to 18" dia. by ¼" thick or equivalent diagonal, for use in military navigation and targeting systems, are being introduced by Meller Optics, Inc. of Providence, Rhode Island.
Meller Large Sapphire Windows are designed for use as pilot, instrument, and weapon systems viewports because of their durability and high accuracy. Featuring Moh 9 surface hardness for optimum abrasion resistance, they are offered in custom sizes up to 18" dia. by ¼" thick which provide transmitted wavefront to ¼-wave, parallelism to 2 arc-sec, and a 70:1 aspect ratio.
Manufactured to customer specifications, Meller Large Sapphire Windows have surface finishes to 60-40 scratch-dig and are impervious to water, most acids, alkalis, and harsh chemicals to approx. 350°C. Second only to diamond in terms of hardness, sapphire is capable of withstanding particles such as sand traveling at high speeds.
Meller Large Sapphire Windows are priced according to size and quantity; offered in prototype through production quantities. Literature and price quotations are available upon request.
For more information contact:
Meller Optics, Inc.
Steve Lydon, Marketing
120 Corliss St. / P.O. Box 6001
Providence, RI 02940
(800) 821-0180 FAX (401) 331-0519
e-mail: sales@melleroptics.com
www.melleroptics.com
