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Proceedings Paper

Multiterrawatt femtosecond laser based on Ti:Sapphire
Author(s): Henry C. Kapteyn; Alan Sullivan; Harald Hamster; Roger W. Falcone
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Paper Abstract

Progress on developing a multiterrawatt source of pulses with duration <100 fsec is described. The laser system is based on chirped-pulse amplification in titanium-doped sapphire. Experimental results include the development of a stable oscillator running at 812 nm, using hybrid mode-locking and compressed pulse pumping to produce <60 fsec pulses. Two methods of active stabilization are used to produce reliable output. In addition, high-gain preamplification in Ti:sapphire has been demonstrated, using a high-quality pump beam to produce gains of 130 per pass, and -10,000 in a simple double-pass gain configuration, while avoiding crystal damage problems. Finally, grating pulse stretching and recompression from 60 fsec to ..3øø p and back down to 140 fsec has been demonstrated at low power.

Paper Details

Date Published: 1 May 1990
PDF: 7 pages
Proc. SPIE 1229, Femtosecond to Nanosecond High-Intensity Lasers and Applications, (1 May 1990); doi: 10.1117/12.18656
Show Author Affiliations
Henry C. Kapteyn, Univ. of California/Berkeley (United States)
Alan Sullivan, Univ. of California/Berkeley (United States)
Harald Hamster, Univ. of California/Berkeley (United States)
Roger W. Falcone, Univ. of California/Berkeley (United States)


Published in SPIE Proceedings Vol. 1229:
Femtosecond to Nanosecond High-Intensity Lasers and Applications
E. Michael Campbell, Editor(s)

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