Fabrication of holographic gratings in As2S3 glass by photoexpansion and photodarkening

S. Ramachandran, S. G. Bishop, J. P. Guo, D. J. Brady

Research output: Contribution to journalArticlepeer-review

50 Scopus citations


The spatial dynamics of the photo-induced surface relief and phase gratings in As2S3 glass are described. Excursion amplitudes up to 150 nm and grating efficiencies up to 27% are observed. Depth and resolution limits for the effect are measured and a model for the resolution limit is proposed.

Original languageEnglish (US)
Pages (from-to)1041-1043
Number of pages3
JournalIEEE Photonics Technology Letters
Issue number8
StatePublished - Aug 1996
Externally publishedYes

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Electrical and Electronic Engineering

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