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. Aperture Optical Sciences provides sales, service, and engineering support with manufacturing by our collaborative partner, Okamoto Optics, of Yokohama Japan. 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 Connecticut facility.

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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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