Multiterrawatt femtosecond laser based on Ti:Sapphire

Henry C. Kapteyn; Alan Sullivan; Harald Hamster; Roger W. Falcone

doi:10.1117/12.18656

1 May 1990 Multiterrawatt femtosecond laser based on Ti:Sapphire

Henry C. Kapteyn, Alan Sullivan, Harald Hamster, Roger W. Falcone

Proceedings Volume 1229, Femtosecond to Nanosecond High-Intensity Lasers and Applications; (1990) https://doi.org/10.1117/12.18656
Event: OE/LASE '90, 1990, Los Angeles, CA, United States

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.

Citation Download Citation

Henry C. Kapteyn, Alan Sullivan, Harald Hamster, and Roger W. Falcone "Multiterrawatt femtosecond laser based on Ti:Sapphire", Proc. SPIE 1229, Femtosecond to Nanosecond High-Intensity Lasers and Applications, (1 May 1990); https://doi.org/10.1117/12.18656

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