High-frequency Bragg gratings in a photothermorefractive glass

Holographic UV mirrors were recorded in a volume of photothermorefractive glass. This photosensitive silicate glass doped with silver, cerium, and fluorine is transparent in the near-UV, visible, and near-IR spectral regions, and its induced refractive-index change reaches 10(-3). UV radiation of a...

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Bibliographic Details
Published inOptics letters Vol. 25; no. 23; p. 1693
Main Authors Efimov, O M, Glebov, L B, Smirnov, V I
Format Journal Article
LanguageEnglish
Published United States 01.12.2000
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Summary:Holographic UV mirrors were recorded in a volume of photothermorefractive glass. This photosensitive silicate glass doped with silver, cerium, and fluorine is transparent in the near-UV, visible, and near-IR spectral regions, and its induced refractive-index change reaches 10(-3). UV radiation of a He-Cd laser at 325 nm was used for Bragg grating recording with a spatial frequency of approximately 9200 mm(-1). The absolute diffraction efficiency of the recorded mirror reached 12.6% at 325 nm and did not deteriorate under the long-time effects of optical irradiation and heating up 400 degrees C.
ISSN:0146-9592
DOI:10.1364/ol.25.001693