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Proceedings Paper

Femtosecond optical pulse shaping by use of hollow fibers
Author(s): Mohammad Mohebbi
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Paper Abstract

An optical pulse contrast enhancer system is described based on nonlinear effect of polarization rotation. The transmission of this system is maximum for a rotation angle of ninety degrees. The effect of wave plates is investigated numerically and it is shown that the same transmission can be obtained by use of different wave plates only for different input polarization angles. Silver coated and fused silica hollow fibers are used to achieve nonlinear ellipse rotation and self phase modulation of high energy femtosecond optical pulses. Pulse contrast can be increased by optimizing the amount of polarization ellipse rotation. The component of the output pulse with the initial horizontal polarization is frequency broadened in the hollow fiber and can be compressed by use of a prism pair compressor.

Paper Details

Date Published:
PDF: 5 pages
Proc. SPIE 5949, Nonlinear Optics Applications, 59491N; doi: 10.1117/12.622803
Show Author Affiliations
Mohammad Mohebbi, K.N. Toosi Univ. of Technology (Iran)

Published in SPIE Proceedings Vol. 5949:
Nonlinear Optics Applications
Miroslaw A. Karpierz; Allan Dawson Boardman; George I. Stegeman, Editor(s)

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