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Conferences > UP > 1990 > ThD > ThD3

Impulsive Phase Coherent Femtosecond Spectroscopy of Molecular Transients at Repetition Rates in the 100kHz Range

G.R. Fleming, A.J. Ruggiero, and N.F. Scherer

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Abstract

We report on the design and characteristics of a 50fs pulsewidth (5nJ/pulse) cavity dumped antiresonant ring femtosecond dye laser1 and a continuously pumped 45ps pulsewidth (100µJ/pulse) all acousto-optically switched Nd:YAG regenerative amplifier2 operating at pulse repetition rates in the tens of kilohertz range. Optically synchronized dye laser amplification to microjoule levels at these repetition rates is also discussed. This range of pulse repetition rates fills the gap between that available with conventional electro-optically switched (1–6kHz) solid state regenerative amplifiers3 or copper vapor laser based amplifiers4 (6-20kHz) and MHz amplifiers based on cavity dumped ion lasers5.

© 1990 Optical Society of America

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