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1120 nm second-Stokes generation in KTiOAsO4

  • Z. J. Liu
  • , Q. P. Wang
  • , X. Y. Zhang
  • , S. S. Zhang
  • , J. Chang
  • , H. Wang
  • , S. Z. Fan
  • , W. J. Sun
  • , X. T. Tao
  • , S. J. Zhang
  • , H. J. Zhang

Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

Abstract

The efficient second-Stokes generation at 1120 nm is obtained from a KTiOAsO<sub>4</sub> (KTA) crystal. The relative Raman scattering cross sections of KTA with respect to YVO<sub>4</sub> are determined by studying their spontaneous Raman scattering spectra at room temperature. A 30-mm-long KTA crystal is placed inside the cavity of a diode-end-pumped acousto-optically Q-switched Nd:YAG laser. With a pump power of 6.7 W and a pulse repetition rate of 20 kHz, the second-Stokes (1120 nm) power of 0.63 W is obtained, corresponding to a diode-to-second-Stokes conversion efficiency of 9.4%. A graph is presented. © 2009 by Astro Ltd. Published exclusively by Wiley-VCH Verlag GmbH & Co. KGaA.
Original languageEnglish
Pages (from-to)121-124
JournalLaser Physics Letters
Volume6
Issue number2
DOIs
Publication statusPublished - 2009
Externally publishedYes

Bibliographical note

Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to [email protected].

Funding

This work was supported by the Science and Technology Development Program of Shandong Province (No. 2007GG10001026), the National Natural Science Foundation of China (No. 60677027), and the Research Fund for the Doctoral Program of Higher Education of China (No. 20060422025).

Research Keywords

  • Diode-pumped lasers
  • Infrared and Raman spectra
  • Raman lasers

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