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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Vol. 8, Iss. 10 — Oct. 1, 1991
  • pp: 2061–2067

Regenerative amplification of picosecond pulses in Nd:YAG at repetition rates in the 100-kHz range

A. J. Ruggiero, N. F. Scherer, G. M. Mitchell, G. R. Fleming, and J. N. Hogan  »View Author Affiliations


JOSA B, Vol. 8, Issue 10, pp. 2061-2067 (1991)
http://dx.doi.org/10.1364/JOSAB.8.002061


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Abstract

An all-acousto-optically switched picosecond Nd:YAG regenerative amplifier has been developed for operation at pulse repetition rates in the 20–100-kHz range. The amplifier produces stable 50-ps pulses at 1064 nm in a TEM00 transverse mode with pulse energies of the order of 20–100 μJ. Generation of the second harmonic at 532 nm in KTP crystal results in conversion efficiencies greater than 40%. Using the frequency-doubled TEM00 output of the regenerative amplifier to pump a two-pass dye amplifier, we have amplified the 50-fs output pulses from an antiresonant ring dye laser to the 200-nJ level and have successfully produced a stable white-light continuum at a 100-kHz repetition rate. This preliminary demonstration of synchronous dye-laser amplification and continuum generation attests to the overall quality of the regenerative amplifier output and the general utility of this approach for high-repetition-rate amplification. Limitations of the current regenerative amplifier design and scaling to higher pulse energies are briefly discussed.

© 1991 Optical Society of America

History
Original Manuscript: June 28, 1990
Revised Manuscript: April 5, 1991
Published: October 1, 1991

Citation
A. J. Ruggiero, J. N. Hogan, N. F. Scherer, G. M. Mitchell, and G. R. Fleming, "Regenerative amplification of picosecond pulses in Nd:YAG at repetition rates in the 100-kHz range," J. Opt. Soc. Am. B 8, 2061-2067 (1991)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-8-10-2061


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