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Proceedings Paper

Increasing energy in an ytterbium femtosecond fiber laser with a longer gain medium and lower doping
Author(s): Katherine J. Bock; Hussein E. Kotb; Mohamed A. Abdelalim; Hanan Anis
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Paper Abstract

An increase in energy of pulses generated in a similariton mode-locked femtosecond fiber laser is shown experimentally by increasing the length while reducing the doping of the ytterbium-doped fiber gain medium. Mode-locking is achieved by nonlinear polarization rotation evolution in a cavity using a combination of fiber and bulk optical components. The level of doping of the gain medium is varied by using lengths of differently doped ytterbium fiber. Experimental results verify that an increase in length of gain medium with a lower doping results in an increase in the output pulse energy.

Paper Details

Date Published: 15 February 2012
PDF: 7 pages
Proc. SPIE 8237, Fiber Lasers IX: Technology, Systems, and Applications, 823731 (15 February 2012); doi: 10.1117/12.908886
Show Author Affiliations
Katherine J. Bock, Univ. of Ottawa (Canada)
Hussein E. Kotb, Univ. of Ottawa (Canada)
Mohamed A. Abdelalim, Electronics Research Institute (Egypt)
Hanan Anis, Univ. of Ottawa (Canada)

Published in SPIE Proceedings Vol. 8237:
Fiber Lasers IX: Technology, Systems, and Applications
Eric C. Honea; Sami T. Hendow, Editor(s)

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