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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Vol. 15, Iss. 4 — Apr. 1, 1998
  • pp: 1406–1409

Femtosecond extreme-ultraviolet quasi-continuum generation by an intense femtosecond Ti:sapphire laser

Taro Sekikawa, Takahito Kumazaki, Yohei Kobayashi, Yasuo Nabekawa, and Shuntaro Watanabe  »View Author Affiliations


JOSA B, Vol. 15, Issue 4, pp. 1406-1409 (1998)
http://dx.doi.org/10.1364/JOSAB.15.001406


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Abstract

A femtosecond broadband extreme-ultraviolet quasi-continuum was generated by an intense femtosecond Ti:sapphire laser by two nonlinear optical processes. The first process is the generation of the broadband harmonics by focusing the blueshifted laser pulse through a rare gas. The spectral blueshift is caused by self-phase modulation owing to ionization of the target gas. The second process is the generation of broadband even-order harmonics by the superposition of the second-harmonic electric field upon the fundamental.

© 1998 Optical Society of America

OCIS Codes
(140.3460) Lasers and laser optics : Lasers
(260.7200) Physical optics : Ultraviolet, extreme
(320.2250) Ultrafast optics : Femtosecond phenomena
(320.7120) Ultrafast optics : Ultrafast phenomena

Citation
Taro Sekikawa, Takahito Kumazaki, Yohei Kobayashi, Yasuo Nabekawa, and Shuntaro Watanabe, "Femtosecond extreme-ultraviolet quasi-continuum generation by an intense femtosecond Ti:sapphire laser," J. Opt. Soc. Am. B 15, 1406-1409 (1998)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-15-4-1406

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