Full company details
Meller Optics Inc.
120 Corliss St.
Providence, RI 02904
United States
Sight Glass Viewports
Photonics Showcase
Feb 2023Sight Glass Viewports made from
sapphire exhibit Mohs 9 hardness,
which is second only to diamond,
making them ideal for applications in
hostile environments, and they feature
0.001-in. TIR thickness. Providing full
360-degree viewing, this optical-grade
sapphire offers 99% transmission from
the UV to SWIR when A/R coated on
two sides with 85% uncoated.
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