Gratings for astronomy

Astronomy Gratings Main Picture

HORIBA Scientific proposes large size Transmission Holographic Fused Silica Etched (FSE) gratings or Ruled blazed reflection gratings for Astronomy.

Both technologies offer a very high efficiency, low polarization dependence and low angular sensitivity.

Segment: Scientific
Division: OEM
Base product
Manufacturing Company: HORIBA France SAS

Holographic Transmission Etched  Gratings

Ruled  Blazed  Reflexion  Gratings 

 
  • Ideal alternative to VPHG gratings
  • Groove density : up to ~4000gr/mm
  • Dimensions : up to 500mm
  • Substrate material : IR Fused Silica
  • Substrate thickness : ~15mm
  • Grism or Plane Grating
  • High efficiency and uniformity
  • Low polarization dependence
  • High Wavefront quality
  • Single-side AR coating
  • Cryogenic compatibility
 
 
  • Master or replica Gratings
  • Groove density : up to ~900gr/mm
  • Dimensions : up to 140mm
  • High efficiency and uniformity
  • Low polarization dependence
  • High Wavefront quality
  • Long life time Gold coating
 

To help us to check the feasibility of your grating, please share the grating specifications :

  • Grating type (transmission or reflexion)
  • Substrate size
  • Useful area
  • Groove density
  • Expected efficiency
  • Wavefront quality
  • Spectral range
  • Angle of incidence
  • Environmental conditions

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