Sapphire Windows for Aircraft
May 2012Meller Optics Inc.Request Info
PROVIDENCE, R.I., May 24, 2012 — Custom-fabricated sapphire windows for installation on the outboard of aircraft to protect sensors from water, wind and high-speed particulates are being offered by Meller Optics Inc.
The windows feature transmission from the UV to the IR (270 nm to 4.7 μm) and can be fabricated in virtually any mounting configuration, with the appropriate bevels and mounting surfaces. Clear as glass, they exhibit Moh 9 hardness.
Produced in sizes up to 10 in. in diameter, depending upon the diameter to thickness aspect ratio, they provide flatness to λ/10 in the visible and <2 arc sec in./in. parallelism with finishes from 60-40 to 40-20 scratch-dig, depending upon size and construction. Sapphire domes also are offered as front surface protection in military applications.