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Holographic Reflective Diffraction Gratings

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Richardson Gratings™ High Precision Reflective Holographic Diffraction Gratings Richardson Gratings™ High Precision Reflective Holographic Diffraction Gratings
  • High Diffraction Efficiency
  • Reduced Stray Light and More Accurate Periodicity than Ruled Gratings
  • Wavelength Options from UV to NIR Regions Available
  • Custom Sizes Available
Reflective Holographic Gratings Reflective Holographic Gratings
  • Groove Density up to 3600 Grooves per mm
  • Bare Aluminum Coating
  • Sinusoidal Grating Profile
  • Available Wavelength Range of 250 - 1500nm
Holographic Diffraction Grating Film Holographic Diffraction Grating Film
Top Seller
  • Ideal for Spectroscopy
  • Two Groove Spacing Options
  • 6" x 12" Sheets and 200 Foot Rolls Available


  What are diffraction gratings?
A diffraction grating separates polychromatic (or multiple wavelengths) light into its component wavelengths by diffraction. Diffraction is a process in which light incident to a surface with dimensions similar in size to its wavelength is dispersed at certain angles. These diffraction angles are dependent upon the wavelength of light. Thus, polychromatic light will have a separate diffraction angle for each individual wavelength. This difference in diffraction angle is what separates light into its component wavelengths.
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