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Proceedings Paper

Phase-shifted volume Bragg gratings in photo-thermo-refractive glass
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Paper Abstract

Narrow-band filters based on phase shifted Bragg gratings have been widely investigated in fiber configuration. However, up to now, no experimental demonstration was performed using volume Bragg gratings in free space configuration. In this paper both theoretical and experimental study of this new type of filters is presented. The phase matching conditions that allow obtaining a resonant filter are analyzed. Narrow bandwidth transmission filters based on the coherent combination of two non slanted reflecting Bragg gratings in photo-thermo-refractive glass are studied. A filter with 25 pm bandwidth and 90%+ transmission at 1064 nm is demonstrated. The effect of the phase matching between the two volume Bragg gratings is presented and perfect accordance of experimental and theoretical data are shown. Based on these results, we show that the phase-shifted reflecting volume Bragg gratings recorded photo-thermo-refractive glass pave a way to the fabrication of large aperture extremely narrow band filters with high transmission at resonance and high rejection.

Paper Details

Date Published: 13 February 2008
PDF: 6 pages
Proc. SPIE 6890, Optical Components and Materials V, 68900A (13 February 2008); doi: 10.1117/12.763081
Show Author Affiliations
Julien Lumeau, College of Optics & Photonics, CREOL, Univ. of Central Florida (United States)
Vadim Smirnov, OptiGrate (United States)
Leonid B. Glebov, College of Optics & Photonics, CREOL, Univ. of Central Florida (United States)

Published in SPIE Proceedings Vol. 6890:
Optical Components and Materials V
Michel J. F. Digonnet; Shibin Jiang; John W. Glesener; J. Christopher Dries, Editor(s)

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