Prism by Thorlabs Inc

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The PS612 from Thorlabs Inc is an uncoated Fused Silica Right-Angle Prism that has high transmission in the deep UV region with a coating wavelength of 185 nm - 2.1 µm. As compared to other right-angle prism variants, this model has a lower index of refraction. This prism has an angle tolerance of ±3 arcmin, dimensional tolerance of ±0.2 mm, and Surface Flatness of λ/10 at 633 nm. It exhibits virtually no laser-induced fluorescence (as measured at 193 nm) and is an ideal choice for applications from the UV to the near IR region.

Product Specifications

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Product Details

  • Part Number
  • Manufacturer
    Thorlabs Inc
  • Description
    40 mm, Uncoated, UV Fused Silica Right-Angle Prism

General Parameters

  • Prism Type
    Right-Angle Prism
  • Substrate/Material
    UV Fused Silica
  • Coating Material
  • Coating Wavelength
    185 nm to 2.1 µm
  • Dimension
    40 x 40 x 56.6 x 40 mm(A x B x C x H)
  • Dimension Tolerance
    ±0.2 mm
  • Angle Tolerance
    ±3 arc min
  • Surface Flatness
  • Surface Quality
    40-20 scratch-dig
  • RoHs
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