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Optically biased tunable femtosecond dye laser and spectral windowing of the compressed second harmonic of Nd:YAG

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2 Author(s)
Johnson, A.M. ; AT&T Bell Laboratories, Holmdel, NJ, USA ; Simpson, W.

We describe a technique for enhancing tunable ultrashort pulse pumped dye laser performance based on the use of "long" pump pulses to optically bias the cavity toward minimal losses. Increases in dye laser output power of 155 percent and powers as high as 125 mW have been measured with pulse durations under 300 fs. Optical pulses as short as 180 fs are reported for this ultrashort pulse pumped dye laser oscillator. We also report the first measurements of the spectral windowing of compressed 532 nm pulses for temporal pulse shaping, in the optimal group velocity dispersion limit. Temporal pulse shaping is demonstrated with small losses in power and minimal pulse broadening.

Published in:

Quantum Electronics, IEEE Journal of  (Volume:22 ,  Issue: 1 )