Master Reference Flats

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Standard Reference Flats & Mirrors are available sizes from 4 inches through 24 inches and calibrated flatness up to λ/30. Comprehensive design and assembly services are available on request. We apply advanced finishing techniques & technology to produce dependable high quality optics for commercial, aerospace & defense, scientific and industrial manufacturing applications. Certified, NIST traceable calibration services are available at our Yokohama and Connecticut facilities.

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  • Size:                    100-650 mm
  • Flatness:              up to 6 nm RMS
  • Surface Quality:    up to 20-10
  • Coatings:              Al+SiO for R> 90% (additional coatings available)
  • Special Designs:    on request
  • Materials:             Fused Silica, Ohara ClearCeram-Z®, Schott Zerodur®
                               Corning ULE®, SiC, additional options available

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