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Sapphire Optical Domes feature Mohs 9 hardness.
Press Release Summary:
Oct 11, 2017 -
Sapphire Optical Domes are capable of sustaining pressure up to 10,000 psi and are offered in sizes up to 10 in. O.D. Units offer up to 85% transmission uncoated in the UV to IR and surface accuracy less than 1 fringe at 633 nm. Products provide 160 degrees of viewing angle for camera and are suitable for deep water UAVs and subsea applications. Domes come with 20-10 scratch-dig finishes and can resist fast moving sand and salt water.
Original Press Release
Sapphire Domes Ideal for Deepwater Drones
Press release date: Oct 11, 2017
Custom engineered sapphire optical domes that are ideal for subsea drone applications to extend the viewing angle of vision systems and resist algae growth are available from Meller Optics, Inc. of Providence, Rhode Island.
Meller Sapphire Optical Domes are ideal for deepwater UAVs and other subsea applications to extend the viewing angle of cameras by up to 160 degrees and can withstand pressures to 10,000 psi, depending upon configuration. Featuring Mohs 9 hardness which is second only to diamond, these optically clear domes resist fast moving sand, salt water and most chemicals, and provide a smooth surface which helps prevent algae growth.
Exhibiting up to 85% transmission uncoated in the UV to IR, with up to 99% when A/R coated on two sides, Meller Sapphire Optical Domes can be made in sizes up to 10” O.D. with varying wall thicknesses and precise edge steps and mounting profiles, where required. Surface accuracy is to < 1 fringe @ 633 nm and finishes are to 20-10 scratch-dig per MIL-PRF-13830.
Meller Sapphire Optical Domes are priced from $350.00 each, depending upon configuration and quantity. Price quotations are available upon request.
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