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Proceedings Paper

Ultrashort millijoule-level amplification in Ti:sapphire at 1 kHz and third harmonic conversion measurements
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Paper Abstract

We report on a Ti:sapphire amplifier system which produces 21 fs, 1 mJ pulses at 1 kHz. A nanojoule-level seed pulse makes 8 passes through a highly doped Ti:sapphire crystal for a total gain of approximately 106. The crystal is pumped with 12 mJ of 527 nm light which is converted into amplified pulse energy with an efficiency exceeding 10%. We have used this laser system to generate ultra-short UV light pulses through third harmonic generation. By focusing the 21 fs pulses in argon and other gases (including air), we obtain UV pulses with energy 1 (mu) J and wavelength 267 nm. The duration of the UV pulses was measured to be approximately 16 fs, representing the shortest pulses in this wavelength range measured to date.

Paper Details

Date Published: 8 May 1996
PDF: 6 pages
Proc. SPIE 2701, Generation, Amplification, and Measurement of Ultrashort Laser Pulses III, (8 May 1996); doi: 10.1117/12.239726
Show Author Affiliations
Justin Peatross, Univ. of Michigan (United States)
Sterling John Backus, Univ. of Michigan (United States)
Kendall Read, Univ. of Michigan (United States)
Chung-Po Huang, Univ. of Michigan (United States)
Margaret M. Murnane, Univ. of Michigan (United States)
Henry C. Kapteyn, Univ. of Michigan (United States)


Published in SPIE Proceedings Vol. 2701:
Generation, Amplification, and Measurement of Ultrashort Laser Pulses III
William E. White; David H. Reitze, Editor(s)

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