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Journal of the Optical Society of America B

Journal of the Optical Society of America B


  • Vol. 16, Iss. 3 — Mar. 1, 1999
  • pp: 435–440

Single attosecond soft-x-ray pulse generated with a limited laser beam

V. T. Platonenko and V. V. Strelkov  »View Author Affiliations

JOSA B, Vol. 16, Issue 3, pp. 435-440 (1999)

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The problem of obtaining a single attosecond pulse with high-order harmonics generation is considered. A method for producing an exciting light pulse with a time-dependent degree of ellipticity from a one-frequency linearly polarized laser pulse by means of linear optics is suggested. The whole of the field generated with a limited beam of this light in a gas target is calculated in the far zone. For this calculation we use an original method based on the time approach of a theory of high-order harmonic generation. Contrasted and intense (focused) single attosecond soft-x-ray pulses are calculated by suppression of the low-frequency part of the field to as many as 11 harmonics of exciting frequency. The possibility of suppressing the low-frequency part of the field with pinholes is shown.

© 1999 Optical Society of America

OCIS Codes
(190.4160) Nonlinear optics : Multiharmonic generation
(190.4180) Nonlinear optics : Multiphoton processes
(190.7110) Nonlinear optics : Ultrafast nonlinear optics
(320.2250) Ultrafast optics : Femtosecond phenomena
(320.5550) Ultrafast optics : Pulses

V. T. Platonenko and V. V. Strelkov, "Single attosecond soft-x-ray pulse generated with a limited laser beam," J. Opt. Soc. Am. B 16, 435-440 (1999)

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