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Proceedings Paper

Nanosecond and picosecond pulse transmission in optical fibres
Author(s): Jurgis Porins; Andris Ozols; Pavels Onufrijevs
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Paper Abstract

The transmission light intensity dependences of different silica glass fibres have been experimentally studied when nanosecond pulse trains were incident. A pronounced 13-42% transmission increase was found in contrast to the picosecond pulse irradiation when a monotonic transmission decrease took place. The photoinduced transmission increase is explained in terms of photothermally increased numerical aperture, the photothermal lens effect, and the photoinduced saturation of a weak impurity absorption. The obtained results can be applied in high power applications of fibres such as WDM fibre communication systems.

Paper Details

Date Published: 25 January 2007
PDF: 5 pages
Proc. SPIE 6596, Advanced Optical Materials, Technologies, and Devices, 65960X (25 January 2007); doi: 10.1117/12.726467
Show Author Affiliations
Jurgis Porins, Riga Technical Univ. (Latvia)
Andris Ozols, Riga Technical Univ. (Latvia)
Pavels Onufrijevs, Riga Technical Univ. (Latvia)


Published in SPIE Proceedings Vol. 6596:
Advanced Optical Materials, Technologies, and Devices
Steponas Ašmontas; Jonas Gradauskas, Editor(s)

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