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Analysis And Performance Of A Picosecond Dye Laser Amplifier Chain

Koch, T. L. and Chiu, L. C. and Yariv, A. (1982) Analysis And Performance Of A Picosecond Dye Laser Amplifier Chain. In: Picosecond Lasers and Applications. Proceedings of SPIE. No.322. Society of Photo-optical Instrumentation Engineers (SPIE) , Bellingham, WA, pp. 52-58. ISBN 0892523573.

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Design considerations are discussed for a simple, easy to use and relatively efficient high gain dye laser amplifier chain for CW mode-locked dye lasers. The amplifier boosts the output of a synchronously mode-locked dye laser to obtain ≈005 mj, ≤ 1 psec pulses over a ≈ 400 Å bandwidth. These pulses are suitable for efficient Raman Shifting, frequency mixing and continuum generation to vastly extend the spectral range of the system. Our amplifier is pumped by a frequency doubled Nd:YAG oscillator only, which longitudinally pumps three identical brewster cells with the same flowing dye solution in each. Contrary to popular belief, high small signal gains (≥ 105) are easily attained in a single stage with longitudinal pumping, with better beam homogeneity and easier alignment than transverse pumping. Gain saturation measurements are presented which agree well with calculations. Factors which relax the pump timing sensitivity are examined. The importance of gain saturation for both efficient amplification and for amplitude stability is also discussed. The need for isolated amplifier stages is stressed and optimal amplifier cell areas for a given stage are calculated.

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Additional Information:© 1982 Society of Photo-Optical Instrumentation Engineers (SPIE). The authors would like to express their gratitude to Desmond Armstrong for his technical assistance in the synchronizing electronics and to Larry Begay for assistance in the construction of the experimental apparatus. We are also indebted to Ti Rong Chen for his assistance in taking experimental data. This work was supported by an N.S.F. grant and by a N.S.F. Graduate Fellowship (T.L.K.).
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NSF Graduate Research FellowshipUNSPECIFIED
Series Name:Proceedings of SPIE
Issue or Number:322
Record Number:CaltechAUTHORS:20200311-161942228
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Official Citation:T. L. Koch, L. C. Chiu, and A. Yariv "Analysis And Performance Of A Picosecond Dye Laser Amplifier Chain", Proc. SPIE 0322, Picosecond Lasers and Applications, (23 April 1982);
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:101883
Deposited By: George Porter
Deposited On:16 Mar 2020 19:31
Last Modified:16 Nov 2021 18:06

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