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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Vol. 5, Iss. 8 — Aug. 10, 2007
  • pp: 490–492

Pulse compression and supercontinuum at different powers of femtosecond pulses in water

Feng Xu, Jiansheng Liu, Ruxin Li, and Zhizhan Xu  »View Author Affiliations


Chinese Optics Letters, Vol. 5, Issue 8, pp. 490-492 (2007)


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Abstract

Propagation of femtosecond light pulses in water is investigated. By changing input power from slightly above to highly above threshold for self-focusing, it is shown that either group velocity dispersion (GVD) or multi-photon ionization (MPI) and multi-photon absorption (MPA) may arrest the collapse. When MPI and MPA dominate the propagation, the pulse can be self-compressed to a few optical cycles. In spectral domain, MPI alone induces a strong blue shift. MPA can restrain this strong blue shift.

© 2007 Chinese Optics Letters

OCIS Codes
(140.0140) Lasers and laser optics : Lasers and laser optics
(190.7110) Nonlinear optics : Ultrafast nonlinear optics
(320.2250) Ultrafast optics : Femtosecond phenomena
(320.5520) Ultrafast optics : Pulse compression

Citation
Feng Xu, Jiansheng Liu, Ruxin Li, and Zhizhan Xu, "Pulse compression and supercontinuum at different powers of femtosecond pulses in water," Chin. Opt. Lett. 5, 490-492 (2007)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-5-8-490

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