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Proceedings Paper

Converting 10-MW nanosecond laser pulses into 5-GW 500 FS tunable dye laser pulses
Author(s): Nguyen Dai Hung; Totaro Imasaka; Pham Duy Long
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Paper Abstract

Different ways to produce high-power short laser pulses have been investigated using low-Q short cavity dye lasers and a nanosecond laser pumping. A powerful 500-fs widely tunable ultrashort pulsed laser device is developed using a single standard nanosecond Nd:YAG laser as a pumping source. Two pulse-shortening techniques are combined within this compact and cheap dye laser device. The first technique, called the spectro-temporal selection, is extended to generation of < 100 ps pulses at wavelengths adjustable in the 320-700 nm spectral range. The second technique makes use of an extra- cavity pulse treatment of low-Q dye laser microcavity output pulses by nonlinear resonant processes in dye media to generate single 500-fs pulses. High-power continuously tunable subpicosecond pulses in the 430-850 nm spectral range are produced by supercontinuum generation, spectral selection and amplification in dye amplifiers. Using the pumping pulses from the nanosecond Nd:YAG laser, such a system has achieved 5-GW peal power levels between 50 nm and 670 nm.

Paper Details

Date Published: 31 March 1997
PDF: 10 pages
Proc. SPIE 2986, Solid State Lasers VI, (31 March 1997); doi: 10.1117/12.270000
Show Author Affiliations
Nguyen Dai Hung, National Ctr. for Natural Science and Technology of Vietnam (Vietnam) and Kyushu Univ. (Japan)
Totaro Imasaka, Kyushu Univ. (Japan)
Pham Duy Long, National Ctr. for Natural Science and Technology of Vietnam (Vietnam)


Published in SPIE Proceedings Vol. 2986:
Solid State Lasers VI
Richard Scheps, Editor(s)

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