PROVIDENCE, R.I., Oct. 13, 2026 /PRNewswire/ -- Meller Optics, Inc. has introduced custom sapphire windows for protecting the vision systems on drones used for firefighting and catastrophic weather event inspections in hostile environments.

Meller Sapphire Windows for drones provide an optical barrier to protect camera systems, thermal imagers, and sensors from ash, flying debris, chemicals, high temperatures, and other contaminants. Featuring Mohs 9 hardness, second only to diamond, sapphire transmits 85% from the UV to IR uncoated and offers better than 99% transmission with A/R coatings.

Manufactured to specification, Meller Sapphire Windows for drones are available in sizes from 1/4" to 10" dia. and 1/2 mm to 1" thick and can withstand heat up to 1,000°C and pressures to 10,000 psi. Providing surface finishes from 60-40 to 40-20 scratch-dig, flatness can be held to 0.5 fringes of HeNe and parallelism from 20 to 2 arc/secs.

Meller Sapphire Windows for drones are priced according to configuration, size, and quantity. Price quotations are available upon request.

For more information contact:

Meller Optics, Inc.
Craig Schweriner, Marketing
120 Corliss St. / P.O. Box 6001
Providence, RI 02940
(800) 821-0180 FAX (401) 331-0519
e-mail: craig@melleroptics.com
www.melleroptics.com

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SOURCE Meller Optics, Inc.