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Proceedings Paper

Micro-optic array applications in terawatt ultrafast laser amplifiers
Author(s): A. D. DiChiara; J. Waesche; S. Palaniyappan; N. Ekanayake; B. C. Walker
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Paper Abstract

Recent developments in micro-optics offer the potential of higher power and more robust ultrafast laser technology operating at high efficiency. Results using micro-optic lenslet arrays in an ultrafast, Ti:sapphire terawatt amplifier are presented. We report a final ultrafast amplified laser mode can be shaped to within 1% of the target Gaussian with a 532nm pump energy to 800nm laser pulse energy conversion efficiency of 35% in Ti:sapphire. Focusing studies demonstrate the laser system with microlens arrays can achieve a peak intensity of 1019 W/cm2. Future applications of microlens arrays in 100 terawatt and possibly petawatt peak power systems will be discussed.

Paper Details

Date Published: 12 September 2008
PDF: 7 pages
Proc. SPIE 7062, Laser Beam Shaping IX, 706204 (12 September 2008); doi: 10.1117/12.795596
Show Author Affiliations
A. D. DiChiara, Univ. of Delaware (United States)
J. Waesche, Univ. of Delaware (United States)
S. Palaniyappan, Univ. of Delaware (United States)
N. Ekanayake, Univ. of Delaware (United States)
B. C. Walker, Univ. of Delaware (United States)

Published in SPIE Proceedings Vol. 7062:
Laser Beam Shaping IX
Andrew Forbes; Todd E. Lizotte, Editor(s)

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