Author Archives: Meller Optics

SAPPHIRE WINDOWS FOR DRONES PROTECT VISION SYSTEMS IN HARSH ENVIRONMENTS

A variety of sapphire windows in various sizes and configurations are displayed on a yellow table. A photo of a drone flying in front of a large fire is in the background.

Custom sapphire windows designed for protecting cameras, detectors, and sensors on drones from fast moving dirt and chemicals when flying over harsh environments have been introduced by Meller Optics, Inc. of Providence, RI. Meller Sapphire Windows for drones combine optical clarity and toughness for protecting sensitive vision systems when flying in harsh environments. Featuring Mohs […]

2025 OVERRUN PARTS LIST FEATURES OVER ONE MILLION PARTS

A variety of kinds and configurations of optics arranged on a blue table. The words "overrun parts 2025" are along the right side and the Meller Optics logo sits in the top left.

A new, updated list of overrun optics from customer production overruns that is ideal for developers in universities and research laboratories has been introduced by Meller Optics, Inc. of Providence, RI. The Meller Optics 2025 Overrun Parts List features over one million first-quality optics resulting from standard and custom production overruns including sapphire cubes, lenses, […]

SAPPHIRE LENSES & WINDOWS FOR EXTREMELY DEMANDING ENVIRONMENTS

2 Round and 2 rectangular sapphire windows sit on a red table with a high resolution photo of flames in the background to imply the durability and strength of the sapphire.

Custom fabricated sapphire optics for use as sight windows in high temperature furnaces, cryogenic processes, fluid-, powder-, and solids processing and as sensor protection in demanding environments have been introduced by Meller Optics, Inc. of Providence, Rhode Island. Meller Sapphire Optics can be fabricated in various shapes, sizes, and opening styles which can incorporate stepped […]

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 […]