ULTRA-FLAT SAPPHIRE WAFERS ARE HIGHLY PRECISE FOR OPTICAL COATERS

PR Newswire
Wednesday, August 6, 2025 at 1:30pm UTC

ULTRA-FLAT SAPPHIRE WAFERS ARE HIGHLY PRECISE FOR OPTICAL COATERS

PR Newswire

PROVIDENCE, R.I., Aug. 6, 2025 /PRNewswire/ -- Meller Optics, Inc. has introduced a full line of optical-grade sapphire wafers that are precisely fabricated using a proprietary process for extreme flatness.

Meller Sapphire Wafers for Optical Coaters can be supplied in sizes up to 200 mm O.D. with various thicknesses and ±0.075mm thickness variations, and one-tenth wave RMS max. @633nm over any 47.25mm sub-aperture, both faces. Surface finishes to 10-5 scratch-dig with <1.0 Arc-Min parallelism can be achieved per MIL-PRF-13830.

Featuring plano-convex and –concave, biconvex and –concave, and meniscus, Meller Sapphire Wafers can be plane, wedged, and tapered and have a c-Plane crystallographic orientation. Edge bevels can be 0.60mm max. face width on both edges. A wide range of other optics are available for coaters.

Meller Sapphire Wafers for Optical Coaters are priced according to configuration and quantity. The firm is ITAR registered.

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.