Femtosecond laser-induced cone emission in dense cesium vapor

D. Aumiler, T. Ban, and G. Pichler
Phys. Rev. A 71, 063803 – Published 13 June 2005

Abstract

We report the observation of cone emission generated when 10nJ, 100-fs laser pulses in the 730–770 nm wavelength range are transmitted through a dense cesium vapor. The spatial and spectral characteristics of the observed cone emission were studied experimentally. Cone angle dependence on the laser wavelength, laser average power, and Cs atomic and molecular concentrations were investigated. The cone emission (CE) was only observed when the laser beam self-focused after passing through the medium. We identify the self-phase modulation as a dominant mechanism for CE generation in our experiment.

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  • Received 26 November 2004

DOI:https://doi.org/10.1103/PhysRevA.71.063803

©2005 American Physical Society

Authors & Affiliations

D. Aumiler, T. Ban, and G. Pichler

  • Institute of Physics, Bijenička 46, P.O. Box 304, HR-10001 Zagreb, Croatia

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Issue

Vol. 71, Iss. 6 — June 2005

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