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    4. 福州高特光电科技有限公司

      BK7
      Light entering through the hypotenuse is reflected by each of the three surfaces in turn and will emerge through the hypotenuse face parallel to the entering beam regardless of the orientation the incident beam.
      Part No.
      Dia. (mm)
      h (mm)
      CCR0115
      15.0
      11.3
      CCR0125
      25.4
      19.0
      CCR0138
      38.0
      28.5

      Specification:

      Material:
      BK7 Grade A optical glass
      Dimension Tolerance:
      +0,-0.2mm
      Bevel:
      Propective bevel
      Clear Aperture:
      >80%
      Surface Quality:
      60-40 scratch and dig
      Flatness:
      l /4 @632.8 nm on big surface;
      l /10 @632.8 nm on other surface
      Wavefront Distortion
      l/2 @632.8
      Angle deviation:
      180° ±3 arc sec

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