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Applied Optics

Applied Optics


  • Vol. 36, Iss. 9 — Mar. 20, 1997
  • pp: 1889–1893

Kilohertz femtosecond UV-pumped visible β-barium borate and lithium triborate optical parametric generator and amplifier

Hong Wang, Kam Sing Wong, Daoqun Deng, Zuyan Xu, George K. L. Wong, and Jingyuan Zhang  »View Author Affiliations

Applied Optics, Vol. 36, Issue 9, pp. 1889-1893 (1997)

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We demonstrate optical parametric generation and amplification of femtosecond pulses in the entire visible range using type-I phase-matched β-barium borate and lithium triborate crystals pumped by the frequency-doubled output of a Ti:sapphire regenerative amplifier at 395 nm. The output is tunable from 470 to 770 nm with a pulse width of ∼170 fs at a repetition rate of 1 kHz and a maximum output energy of ∼1.1 µJ/pulse. The visible optical parametric amplifier output was then frequency doubled and sum frequency mixed with the fundamental output of Ti:sapphire at 790 nm to produce UV pulses with a conversion efficiency of greater than 25%. The second harmonic generated UV pulses are tunable from 240 to 380 nm with a maximum pulse energy of ∼260 nJ/pulse.

© 1997 Optical Society of America

Original Manuscript: December 18, 1995
Revised Manuscript: July 12, 1996
Published: March 20, 1997

Hong Wang, Kam Sing Wong, Daoqun Deng, Zuyan Xu, George K. L. Wong, and Jingyuan Zhang, "Kilohertz femtosecond UV-pumped visible β-barium borate and lithium triborate optical parametric generator and amplifier," Appl. Opt. 36, 1889-1893 (1997)

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  1. See special issues on OPA and OPG in J. Opt. Soc. Am. B 10, No. 9 and No. 11 (1993); J. Opt. Soc. Am. B 12, No. 11 (1995).
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