Holographic plane gratings

OEM gratings design and production capabilities

HORIBA Scientific produces a wide range of holographic master gratings from which high precision replicas are manufactured.
A plane type of grating is the choice for high resolution spectroscopy and applications where low stray light levels are of high importance.

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Segment: Scientific
Manufacturing Company: HORIBA France SAS
  • Replica gratings from master holographic gratings
  • Perfect periodicity and excellent microroughness
  • Elimination of ghosts and low stray light
  • Substrate materials: Fused silica, Zerodur, Pyrex…
  • Large range of groove densities: from 150 to 5670gr/mm
  • Multiple spectral range: from UV to NIR
  • Available dimensions: many references up to 120x140x20mm
  • Coating: Al.
     


Fig. 1: Czerny-Turner Spectrograph configuration
 

Product Management and Quality

  • ISO 9001 and ISO 14001 certified
  • Unique traceability with laser marking
  • State-of-the-art metrology 
  • ITAR free products
  • Clean room storage of master gratings
  • RoHS / REACH compliant products
 

Customer Oriented and Confidentiality

  • Full confidentiality with mutual NDA
  • Blanket orders for large annual quantities
  • Long term relationship with co-designing
  • Three production facilities
 
  • Groove frequencies ranging from 150 to 5760 g/mm
  • Spectral ranges: from 100 to 2500 nm
  • Diffraction efficiency optimized for UV, or Vis, or NIR
  • Dimensions: from 25x 25 mm to 120 x140 mm

Fig. 2: Typical efficiency curve* for 520 25, 1200 l/mm, 190-800 nm

*This efficiency curve is absolute theoretical efficiency, calculated using rigorous electromagnetic theory, taking into account the true groove profiles of manufactured gratings measured with an atomic force microscope (AFM).

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