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Richardson Gratings™ Echelle Reflective Diffraction Gratings

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Richardson Gratings™ Echelle Reflective Diffraction Gratings
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  • Highest Resolving Power and Dispersion
  • Low Groove Density for Use in Higher Orders
  • Groove Spacing Tolerance <0.05%
  • Custom Sizes Available

Richardson Gratings™ Echelle Reflective Diffraction Gratings feature superior resolving power and dispersion compared to other reflective diffraction gratings. These gratings are characterized by coarse groove spacings, relatively low groove densities and high blaze angles. They are suitable for use from near-UV wavelengths to the infrared (~20μm). Richardson Gratings™ Echelle Reflective Diffraction Gratings are ideal for applications such as compact high resolution spectrometers with high angular dispersion and throughput. Custom sizes are available on request.

Note: The surface of these gratings is very sensitive and should never be touched when handling the optic. If cleaning is required to remove dust particles, non-contact cleaning using clean compressed air is recommended.