Custom manufactured sapphire lenses, windows, and domes that can withstand fast moving sand, particles, saltwater, and pressure to 10,000 psi for use in AUVs, ROVs, submersibles, and other deep water applications have been introduced by Meller Optics, Inc. of Providence, Rhode Island.
Meller Sapphire Optics for seawater applications feature Mohs 9 hardness, which is second only to diamond and can withstand fast moving particles, sand, and deep water pressure to 10,000 psi, depending upon application. Suitable for use in autonomous underwater vehicles, probes, and sensors, their smooth flat surfaces help to prevent algae growth.
Custom manufactured to OEM specifications, Meller Sapphire Optics for seawater applications can be supplied as lenses, windows, and domes in sizes from 0.25” to 10” O.D. with varying wall thicknesses and treatments. Surface finishes can be held to 10-5 scratch-dig, roughness to less than or equal to 0.3 nm RA, and flatness to 0.5 fringes HeNe.
Meller Sapphire Optics for seawater applications are priced according to configuration, size, and quantity. Price quotations and complete material specifications are available upon request.