Telecommunications / DWDM Gratings

Today’s sophisticated fiber optic network requires a host of new technologies to transmit a reliable signal with the bandwidth necessary to satisfy the growing needs of a technologically advanced and mobile society.

The UltraSpec™ family of Volume Phase Holographic Gratings (VPH) were developed to provide superior performance for telecom applications. Kaiser’s VPH transmission gratings are currently used as the dispersing components of:

  • Optical Spectrum Analyzers (OSA)
  • Optical Performance/Channel Monitors
  • Reconfigurable Add/Drop Modules (ROADM)

The unique performance and environmental properties of VPH gratings make the UltraSpec™ a preferred component in the fiber optic network. A comparison of how Kaiser’s VPH gratings stack-up against traditional grating technologies for ROADM and DWDM applications is given below.


Kaiser offers UltraSpec-VPH products custom grating frequencies, dimensions, and performance characteristics to complement OEM product development.

Need More? / Get More - Telecom VPH Gratings Technical Resources

Application Resources
Title Category Format ID#  
Telecommunications Gratings Holographic Gratings PDF PL-T100
Ultra-Spec Holographic Dispersion Gratings for DWDM Systems Holographic Gratings PDF TN-T300
UltraSpec-C160 & UltraSpec-L160 Holographic Gratings PDF PL-GR100
Volume-Phase Holographic Gratings for Telecommunications Applications Holographic Gratings PDF R-T200
VPH Transmission Gratings for Telecom Holographic Gratings PDF PL-T101
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