Request InfoMeller Optics Inc.Meller Optics Sapphire Windows feature Mohs 9 hardness, which is second only to diamond, and can withstand pressures to 10,000 psi, depending upon thickness. Manufactured to customer specification, they are available in sizes from 0.25- to 10.00-in. diameter with varying wall thicknesses and can include stepped edges and elliptical edge shaping, holes, slots and wedges for mounting.See full productRelated content from Photonics MediaPRODUCTSPhotonics Spectra March 2024 IssueLayer Release SystemThe EVG®850 NanoCleave™ from EV Group is a system that enables nanometer-precision release of bonded, deposited, or grown layers from silicon carrier substrates. 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