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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Vol. 5, Iss. 11 — Nov. 1, 1988
  • pp: 2386–2394

Generation of infrared and extreme-ultraviolet radiation in krypton with picosecond irradiation at 193 nm

M. Shahidi, T. S. Luk, and C. K. Rhodes  »View Author Affiliations


JOSA B, Vol. 5, Issue 11, pp. 2386-2394 (1988)
http://dx.doi.org/10.1364/JOSAB.5.002386


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Abstract

The nonlinear interaction of neutral krypton atoms with picosecond 193-nm radiation with intensities ≤1013 W/cm2 has been studied. Because of the relatively high intensity of the applied radiation field and the two-photon resonance of the 4p–6p transition, several competing nonlinear processes were observed that result in the generation of coherent radiation. Amplified spontaneous emission (ASE) from the two-photon-resonant level was observed in the IR frequency at ~2 μm. Additionally, a tunable IR wave, in the same frequency range, was generated by stimulated hyper-Raman scattering of the incident laser. The observed self-generated IR waves induced other nonlinear interactions, which resulted in the generation of extreme-ultraviolet (XUV) radiation in the same medium. Tunable XUV frequency was shown to be generated by four-wave sum mixing of the laser and the hyper-Raman wave. Vacuum-ultraviolet frequency was shown to be generated by four-wave oscillation, and other nontunable XUV frequencies resulted from anti-Stokes Raman scattering of the ASE IR waves.

© 1988 Optical Society of America

History
Original Manuscript: January 4, 1988
Manuscript Accepted: May 23, 1988
Published: November 1, 1988

Citation
M. Shahidi, T. S. Luk, and C. K. Rhodes, "Generation of infrared and extreme-ultraviolet radiation in krypton with picosecond irradiation at 193 nm," J. Opt. Soc. Am. B 5, 2386-2394 (1988)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-5-11-2386

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