Gratings for astronomy

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.

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事業セグメント: 科学

製品分類: グレーティング

製造会社: HORIBA France SAS

特長
仕様

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