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Bristol Instruments, Inc. - 872 Series High-Res 4/24 LB
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CASTECH INC - High Precision CNC Polished Aspherical Lenses
Spectrogon US - Optical Filters 2024 HP
1 supplier

Mirror Blanks

A mirror blank refers to the initial piece of material from which a mirror is made. It is typically a flat or slightly curved piece of glass or other substrate that serves as the starting point for crafting a mirror. Mirror blanks come in various shapes and sizes depending on the desired final mirror specifications. Learn more about mirror blanks →

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Ohara Corporation, Eastern Office
Ohara Corporation, Eastern Office - Branchburg, NJ
Manufactures precision optical glasses: strip/slab, blanks, fine gobs, polished ball lenses, near-UV transmitting i-Line glass, ceramic substrates, CaF2, UV/IR materials, quartz, fused silica (std./excimer grade). Ohara CCZ ultralow expansion (excellent CTE; large size). Nanoceram. Double-side polished substrates (low surface roughness, excellent flatness).
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Glossary
  • blank A piece of glass, quartz or other transparent material formed roughly by molding or cutting into the approximate shape and size of the finished part.
  • mirror blank A mirror blank refers to the initial piece of material from which a mirror is made. It is typically a flat or slightly curved piece of glass or other substrate that serves as the starting point for crafting a mirror. Mirror blanks come in various...
  • optical blank A casting consisting of an optical material molded into the desired geometry for grinding, polishing or, in the case of optical waveguides, drawing to the final optical-mechanical specifications.
  • glass-ceramic A type of glass used in telescope mirrors, formed by adding a nucleating agent to standard glass and then heating it until it crystallizes.
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