Application of sol-gel films in optical wavelength filters

Robert Blue, I. S. Mauchline , G. Stewart

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)


The authors report the use of a sol-gel film as an overlay guide on an integrated optic buried channel waveguide to selectively couple out near-infra-red wavelengths. The coupling wavelength is shown to be dependent on the thickness and index of the overlay and on the polarisation of the guided light
Original languageEnglish
Pages (from-to)402 - 403
Number of pages2
JournalElectronics Letters
Issue number5
Publication statusPublished - 3 Mar 1994


  • coupling wavelength
  • guided light polarisation
  • optical filters
  • sol-gel films


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