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HORIBA

HORIBA

HORIBA

HORIBA

+33-1-69-74-72-00
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HORIBA

HORIBA

Gratings for astronomy

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시리즈

Optical Diffraction Gratings

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+33-1-69-74-72-00

제품 상세 설명

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.

 

 

Features

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
 

 

 

Specifications

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

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

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