General Optics

Diffractive Optical Elements (DOE) Reflection Gratings

Specify these OEM gratings for applications needing superior dispersion performance, including high wavelength resolution, low stray light, and high laser damage threshold.

Coherent provides planar and concave reflection gratings for various applications such as wavelength selective switches (WSS) in communications and pulse stretching/compression for ultrashort pulse (USP) lasers used in materials processing.

DOE Reflection Gratings – Key Features

Benefit from the superior performance and consistency of gratings manufactured by Coherent using our in-house holography, ion-etching, and replication processes.

  • High wavelength resolution
  • Customizable designs
  • Choice of Al, Au, Ag, Dielectric, and/or AR Coatings
  • High diffraction efficiency
  • Low stray light
  • High laser damage threshold