Nanosecond and picosecond pulse transmission in optical fibres

Jurgis Porins; Andris Ozols; Pavels Onufrijevs

doi:10.1117/12.726467

25 January 2007 Nanosecond and picosecond pulse transmission in optical fibres

Jurgis Porins, Andris Ozols, Pavels Onufrijevs

Proceedings Volume 6596, Advanced Optical Materials, Technologies, and Devices; 65960X (2007) https://doi.org/10.1117/12.726467
Event: Advanced Optical Materials, Technologies, and Devices, 2006, Vilnius, Lithuania

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.

Citation Download Citation

Jurgis Porins, Andris Ozols, and Pavels Onufrijevs "Nanosecond and picosecond pulse transmission in optical fibres", Proc. SPIE 6596, Advanced Optical Materials, Technologies, and Devices, 65960X (25 January 2007); https://doi.org/10.1117/12.726467

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