Converting 10-MW nanosecond laser pulses into 5-GW 500 FS tunable dye laser pulses

Nguyen Dai Hung; Totaro Imasaka; Pham Duy Long

doi:10.1117/12.270000

31 March 1997 Converting 10-MW nanosecond laser pulses into 5-GW 500 FS tunable dye laser pulses

Nguyen Dai Hung, Totaro Imasaka, Pham Duy Long

Proceedings Volume 2986, Solid State Lasers VI; (1997) https://doi.org/10.1117/12.270000
Event: Photonics West '97, 1997, San Jose, CA, United States

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.

Citation Download Citation

Nguyen Dai Hung, Totaro Imasaka, and Pham Duy Long "Converting 10-MW nanosecond laser pulses into 5-GW 500 FS tunable dye laser pulses", Proc. SPIE 2986, Solid State Lasers VI, (31 March 1997); https://doi.org/10.1117/12.270000

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KEYWORDS

Picosecond phenomena

Dye lasers

Pulsed laser operation

Amplifiers

Optical filters

Optical microcavities

Nd:YAG lasers

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