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  • Bragg Gratings, Photosensitivity, and Poling in Glass Waveguides
  • OSA Trends in Optics and Photonics Series (Optica Publishing Group, 1999),
  • paper CA3
  • https://doi.org/10.1364/BGPP.1999.CA3

The Photosensitisation of Optical Waveguides

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Abstract

Strong photosensitivity is locked in permanently after hydrogen out-diffusion of hydrogen loaded waveguides pre-sensitised with UV light. This relaxes the available processing times ordinarily limited by hydrogen out-diffusion. Two photorefractive mechanisms underlying the photosensitivity of hydrogen-loaded germanosilicate waveguides are identified.

© 1999 Optical Society of America

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