800/850 nm band gratings

PING – Polarization independent (low PDL) gratings for 800/850 nm band

Main characteristics:

  • Fused silica transmission gratings
  • Production technology: Holostepper/lithographic stepper and RIE etching
  • 100% dielectric materials – No polymers, epoxies, gelatins or metals
  • Grating chip thickness: 0.625 mm
  • Operating temperature at least 500° C
  • Packaging: Packed in semiconductor grade Gelpak containers, sealed in class 10 cleanroom

Product Overview

While we primarily supply PING gratings as OEM products, the following selection of gratings are stock available. You can order the gratings below online, or request a quotation on these or customized gratings.

GratingResolutionAOIGrating areaChip sizeBandwidthDE (*)PDL
PING-Sample-0121764.7 l/mm49.9°10.2 mm x 5.2 mm11.2 mm x 10.2 mm826 nm - 873 nm>85%<0.25 dB
PING-Sample-0201764.7 l/mm49.9°12.5 mm x 8.0 mm15.0 mm x 12.0 mm795 nm - 885 nm>90%<0.25 dB
PING-1765-0251765 l/mm49.9°25 mm x 16 mm29.5 mm x 20 mm795 nm - 885 nm>80%<0.25 dB

(*) Note: DE is minimum absolute diffraction efficiency across both polarizations and the wavelength range

Typical Performance

PING (telecom 800/850 nm band) grating performance

Angle dependency of PING gratings

Angle dependency of PING gratings