Optical Filter by Reynard Corporation

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The R00580-xx from Reynard Corporation is a Circular Variable Neutral Density (CVND) Filter that allows transmission at a wavelength from ultraviolet to far infrared region. It has a calibrated wavelength of 510 nm and an optical density of 0 - 1, 2, 3, 4, or 5. This optical filter can be manufactured using BK7, fused silica, Ge, Si, ZnSe or other equivalent materials and has a scratch & dig surface quality of 80 - 50. It has a clear aperture of 80 %, gradient range of 270º, and an inside diameter of 7.5 mm - 25.4 mm. 

The R00580-xx has a parallelism of up to 3 arc minutes and transmitted wavefront error of up to 2 waves per 25 mm. It has a continuous wave laser damage threshold of 75 W/cmand pulsed laser damage threshold of 10 mJ/cm2 with 10 ms pulses. This optical filter can change light intensity from 100 % to less than 0.1 % and their size can be varied from 25 mm to over 200 mm. It is ideal for attenuation of white light & laser sources, maintaining light intensity consistency & calibration, large aperture attenuation, and can be used as a variable beamsplitter.

Product Specifications View similar products

Product Details

  • Part Number
  • Manufacturer
    Reynard Corporation
  • Description
    UV to FIR, CVND Filter for Light Intensity Consistency & Calibration Applications

General Parameters

  • Filter Type
    Neutral Density Filter
  • Wavelength
    375 to 2500 nm
  • Clear Aperture
  • Optical Density
    0 to 5
  • Parallelism
    <3 Arc Minutes
  • Note
    Wavelength Calibration: 510 nm, Gradient Range: 270 Degree, Transmitted Wavefront Error: <2 Waves per 25 mm, Damage Threshold: CW: 75 W/cm2 CW

Physical Properties

  • Filter Shape
  • Substrate/Material
  • Thickness
    2 mm
  • Thickness Tolerance
  • Filter Diameter
    200 mm (Outer), 25.4 mm (Inner)
  • Diameter Tolerance
    ±0.2 mm
  • Surface Quality
    80-50 Scratch-Dig

Technical Documents

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