Echelle Grating, 31.6 grooves / mm, 63° blaze angl -- GE2550-0363
from Thorlabs, Inc.

High Resolution Echelle Gratings are special low period gratings designed for use in the high orders. They are generally used with a second grating or prism to separate overlapping diffracted orders. Supplied on precision glass substrates, Echelles have a resolution of 80-90% of theoretical. [See More]

  • Grating Design: Plane Reflection
  • Groove Frequency: 31.6
  • Wavelength Range: Ultraviolet; Visible; Infrared
  • Blaze Angle: 63
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Plane Holographic Reflectance Grating -- 53-*-058H
from Newport Corporation

Aluminum coating standard, efficiency and wavefront testing available [See More]

  • Grating Design: Plane Reflection
  • Wavelength Range: Ultraviolet; Visible
  • Grating Type: Holographic
  • Groove Frequency: 4320