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Optics Letters

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  • Vol. 25, Iss. 15 — Aug. 1, 2000
  • pp: 1116–1118

Generation of femtosecond radiation at 211 nm by femtosecond pulse upconversion in the field of a picosecond pulse

A. Dubietis, G. Tamošauskas, A. Varanavičius, G. Valiulis, and R. Danielius  »View Author Affiliations


Optics Letters, Vol. 25, Issue 15, pp. 1116-1118 (2000)
http://dx.doi.org/10.1364/OL.25.001116


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Abstract

We show that, in the case of sum-frequency mixing, one can alleviate group-velocity mismatch between IR and UV pulses by choosing different pulse widths, thus extending the interaction length of ultrashort pulses within nonlinear crystals. By fifth-harmonic generation with a Nd:glass laser, we demonstrate efficient frequency upconversion of 195-fs 264-nm pulses under the envelope of 0.9-ps 1055-nm pulses in β-barium borate crystal, yielding <270-fs pulses with energy of up to 110μJ at 211 nm.

© 2000 Optical Society of America

OCIS Codes
(190.0190) Nonlinear optics : Nonlinear optics
(190.2620) Nonlinear optics : Harmonic generation and mixing
(190.7220) Nonlinear optics : Upconversion
(320.7110) Ultrafast optics : Ultrafast nonlinear optics

Citation
A. Dubietis, G. Tamošauskas, A. Varanavičius, G. Valiulis, and R. Danielius, "Generation of femtosecond radiation at 211 nm by femtosecond pulse upconversion in the field of a picosecond pulse," Opt. Lett. 25, 1116-1118 (2000)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-25-15-1116


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References

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