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20Z40ER.4

Optical Mirror by MKS | Newport
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The 20Z40ER.4 from MKS | Newport is a Optical Mirror with Wavelength Range 650 to 20000 nm, Mirror Thickness 0.5 in.(12.7 mm), Mirror Diameter 2.00 in.(50.8 mm). More details for 20Z40ER.4 can be seen below.

Product Specifications

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Product Details

  • Part Number
    20Z40ER.4
  • Manufacturer
    MKS | Newport
  • Description
    Broadband Metallic Mirror, Zerodur, 50.8 mm, λ/20, 650-20,000 nm

General Parameters

  • Mirror Type
    Broadband Metallic Mirror
  • Mirror Shape
    Round
  • Wavelength Range
    650 to 20000 nm
  • Chamfers
    0.38 - 1.14 mm face width x 45° ±15°
  • Angle of Incidence
    0 to 45 Degree
  • Clear Aperture
    greater than or equal to central 80% of diameter
  • Substrate/Material
    Zerodur®
  • Coating Material
    Protected Gold
  • Mirror Thickness
    0.5 in.(12.7 mm)
  • Mirror Diameter
    2.00 in.(50.8 mm)
  • Diameter Tolerance
    +0/-0.13 mm
  • RoHS
    Yes
  • Reflectance
    Ravg>96%, Rmin>92% @ 650-1700 nm Ravg>98%, Rmin>96% @ 1.7-20 µm
  • Surface Flatness
    λ/20 at 632.8 nm
  • Surface Quality
    10-2 scratch-dig
  • Thickness Tolerance
    ±0.25 mm

Technical Documents
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