Request InfoMeller Optics Inc.PROVIDENCE, R.I., June 25, 2010 — For military guidance and imaging systems, Meller Optics Inc. offers custom fabricated sapphire and polycrystalline spinel optics for use as viewports and front surface protection in weapons guidance systems. The company’s military optics can be custom fabricated as planoconvex, -concave and meniscus windows and domes from ½- up to 4-in. diameter with ±0.001-in. tolerances and precise edges, steps, profiles and coatings. 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