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Proceedings Paper

Investigation of spatial beam profiles of a femtosecond Ti:sapphire laser amplifier
Author(s): Tao Liu; You-bo Zhao; Tie-qun Zhang; Ming-wei Wang; Xiao-nong Zhu
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Paper Abstract

With a homemade laser beam profile measurement system, the characteristics of the spatial beam profile of 40 GW amplified femtosecond laser pulses have been studied. It is found that the laser beam profile has better quality at lower pump current, and the beam quality decreases as the pump current increases. In particular, the light intensity at the central area of the femtosecond laser beam may actually become weaker at high current than that at the low current. It is also found that within the multipass amplification process the beam quality of the pump laser has a great impact on the spatial beam profile of the femtosecond laser pulses.

Paper Details

Date Published: 26 January 2005
PDF: 6 pages
Proc. SPIE 5627, High-Power Lasers and Applications III, (26 January 2005); doi: 10.1117/12.575660
Show Author Affiliations
Tao Liu, Nankai Univ. (China)
You-bo Zhao, Nankai Univ. (China)
Tie-qun Zhang, Nankai Univ. (China)
Ming-wei Wang, Nankai Univ. (China)
Xiao-nong Zhu, Nankai Univ. (China)

Published in SPIE Proceedings Vol. 5627:
High-Power Lasers and Applications III
Dianyuan Fan; Ken-ichi Ueda; Jongmin Lee, Editor(s)

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