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LJ1960L1

Optical Lens by Thorlabs Inc
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The LJ1960L1 from Thorlabs Inc is a Optical Lens with Wavelength Range 350 nm to 2.0 µm, Focal Length 20.0 mm, Center Thickness 3.3 mm, Radius 10.3 mm, Edge Thickness(ET) 2.0 mm. More details for LJ1960L1 can be seen below.

Product Specifications

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Product Details

  • Part Number
    LJ1960L1
  • Manufacturer
    Thorlabs Inc
  • Description
    f = 20.00 mm, H = 10.00 mm, L = 12.0 mm, N-BK7 Plano-Convex Cylindrical Lens, Uncoated

General Parameters

  • Sub Type
    Plano-Convex Lens
  • Lens Shape
    Spherical Lens
  • Wavelength Range
    350 nm to 2.0 µm
  • Focal Length
    20.0 mm
  • Focal Length Tolerance
    ±1%
  • Back Focal Length(BFL)
    17.8 mm
  • Effective Focal Length(EFL)
    20.0 mm
  • Center Thickness
    3.3 mm
  • Center Thickness Tolerance
    ±0.1 mm
  • Radius
    10.3 mm
  • Radius 1
    10.3 mm
  • Clear Aperture
    0.9
  • Edge Thickness(ET)
    2.0 mm
  • Centration Error
    3 to 5 arcmin @50 mm
  • Substrate/Material
    N-BK7
  • Surface Accuracy
    λ/2, λ/4, 3λ/2
  • Surface Quality
    60-40 Scratch-Dig

Technical Documents
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