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Optics Letters

Optics Letters


  • Vol. 18, Iss. 19 — Oct. 1, 1993
  • pp: 1633–1635

Femtosecond traveling-wave parametric generation with lithium triborate

G. P. Banfi, R. Danielius, A. Piskarskas, P. Di Trapani, P. Foggi, and R. Righini  »View Author Affiliations

Optics Letters, Vol. 18, Issue 19, pp. 1633-1635 (1993)

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Ultrashort pulses, of the same time duration as the pump pulse, have been obtained with a traveling-wave parametric generator employing a temperature-tuned lithium triborate crystal in noncritical phase matching. Starting from a 190-fs pulse at 0.6 μm generated by a dye laser, we achieved an overall conversion efficiency of 10-15% in the tuning range 0.85–0.97 μm (and the corresponding range of 1.6–2.1 μm) with a pump energy of only 30 μJ. The easy operation in the femtosecond regime and the minimal energy requirements that we found are due to the small group-velocity mismatch of lithium triborate at this pump wavelength and to the absence of walk-off.

© 1993 Optical Society of America

Original Manuscript: March 25, 1993
Published: October 1, 1993

G. P. Banfi, R. Danielius, P. Di Trapani, P. Foggi, R. Righini, and A. Piskarskas, "Femtosecond traveling-wave parametric generation with lithium triborate," Opt. Lett. 18, 1633-1635 (1993)

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