SINGLE EXCIMER LASER PULSE WRITING OF NARROW-BAND FIBER BRAGG REFLECTORS BY PHASE MASK METHOD

Varzhel  Sergey  V., Kulikov Andrey Vladimirovich, Vladimir A. Aseev, Brunov Vyacheslav S, Vladimir Kalko, Victor Arteev

2011 , VOLUME 11, NUMBER 5 ( SEPTEMBER-OCTOBER )

ISSN 2226-1494 (print), ISSN 2500-0373 (online)

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Vladimir O.
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SINGLE EXCIMER LASER PULSE WRITING OF NARROW-BAND FIBER BRAGG REFLECTORS BY PHASE MASK METHOD

S. V. Varzhel, A. V. Kulikov, V. A. Aseev, V. S. Brunov, V. Kalko, V. Arteev

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Abstract

The article presents the results of fiber Bragg gratings writing in birefringent optical fibers with enhanced photorefractive feature by a single 20 ns pulse of KrF excimer laser (248 nm wavelength). Fiber Bragg gratings in birefringent optical fiber with elliptical stress cladding with reflection more than 10% and spectral width at half maximum ~ 0.1 nm were obtained. Beat length and the effective refractive index for each of the selected axes of a birefringent fiber were calculated based on experimentally obtained data.

Keywords: fiber Bragg grating, birefringence, photorefractive feature, phase mask, excimer laser.

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