Author Archives: Meller Optics

SAPPHIRE LENSES AND WINDOWS PROTECT DRONE VISION SYSTEMS AND SENSORS

A variety of sapphire windows and lenses on a blue table with a photo of a quad-rotor drone flying in the background.

Custom fabricated sapphire lenses and windows that provide front surface protection for AUVs used in demanding commercial and military environments has been introduced by Meller Optics, Inc. of Providence, RI. Meller Sapphire Optics for Drones feature Mohs 9 hardness and withstand fast moving dirt, sand, chemicals, heat to 1,000o C, and 10,000 psi pressure for […]

OPTICAL POLISHING PITCH WON’T CONTAMINATE POLISHING MEDIA & SUBSTRATES

Dark polishing pitch spills out of a yellow container onto a purple table. Zinc Selenide lenses and an unopened container are next to it.

A line of optical polishing pitch that is petroleum-free and comes in five hardness grades which are easy to melt and pour without any further mixing have been introduced by Meller Optics, Inc. of Providence, RI. Meller’s Gugolz Optical Polishing Pitch is available in five hardness grades from very-soft to very-hard, with melting points from […]

SAPPHIRE SUBSTRATES PRECISE FOR OPTICAL COATERS

Sapphire substrates in various configurations posed on a green table. There are colored lights in the background.

A full line of sapphire lenses, windows, and other shapes that feature highly precise tolerances for flatness, surface finish, and parallelism have been introduced by Meller Optics, Inc. of Providence, RI. Meller Sapphire Substrates for Optical Coaters feature 1/10th per wave flatness per inch, surface finishes to 10-5 scratch-dig, and parallelism to 2 arc-sec, per […]

SAPPHIRE WINDOWS FOR DEEP-DIVING AUVs & UUVs

An assortment of sapphire windows in various configurations on a green table. There is a photo of a long cylindrical unmanned underwater vehicle in the background.

Custom made sapphire windows for unmanned underwater surveillance vehicles (AUV and UUV) that can withstand high speed particulates and high pressure have been introduced by Meller Optics, Inc. of Providence, RI. Meller Sapphire Windows feature Mohs 9 hardness which is second only to diamond and can withstand fast moving particles, sand, and deep water pressure […]

SAPPHIRE LENSES, WINDOWS & DOMES PROTECT ROBOT SENSORS IN HARSH ENVIRONMENTS

An array of sapphire windows, lenses, and domes on a blue table.

Custom fabricated sapphire optics that resist scratching, high pressures, and high temperatures found in harsh environments in which many robotics function have been introduced by Meller Optics, Inc. of Providence, RI. Meller Sapphire Optics can be supplied as lenses, flat windows, and domes custom fabricated in sizes from 3/8” to 4” dia. and varying wall […]