PHOTOINDUCED BRAGG DIFFRACTIVE STRUCTURES CREATION IN LITHIUM NIOBATE CRYSTAL USING ULTRAVIOLET NANOSECOND EXCIMER PULSE LASER

Brunov Vyacheslav S, Varzhel  Sergey  V., Nikonorov Nikolay V. , Vladimir E. Strigalev

2011 , VOLUME 11, NUMBER 4 ( JULY-AUGUST )

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

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Vladimir O.
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PHOTOINDUCED BRAGG DIFFRACTIVE STRUCTURES CREATION IN LITHIUM NIOBATE CRYSTAL USING ULTRAVIOLET NANOSECOND EXCIMER PULSE LASER

V. S. Brunov, S. V. Varzhel, N. V. Nikonorov, V. E. Strigalev

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Abstract

The article deals with holographic Bragg gratings creation method in lithium niobate crystals by excimer laser pulse illumination and the possibility оf its recording in different modes. The main parameters dependencies of obtained phase holographic elements from power and number of pulses are researched.

Keywords: Bragg gratings, lithium niobate, photorefractive materials, holographic phase gratings.

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