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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 30, Iss. 12 — Jun. 15, 2005
  • pp: 1503–1505

Characterization of the third-harmonic radiation generated by intense laser self-formed filaments propagating in air

I. Alexeev, A. C. Ting, D. F. Gordon, E. Briscoe, B. Hafizi, and P. Sprangle  »View Author Affiliations


Optics Letters, Vol. 30, Issue 12, pp. 1503-1505 (2005)
http://dx.doi.org/10.1364/OL.30.001503


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Abstract

We perform laboratory experiments to study ultraviolet radiation generated by intense self-formed laser filaments produced by propagating high-power femtosecond laser pulses in air. The laser used in the experiment is a 0.5 TW Ti:sapphire system with the center wavelength at 800 nm. The observed ultraviolet emission occurs in the form of the third harmonic and frequency-upshifted radiation from the fundamental. We present direct characterization of the generated harmonic and frequency-upshifted radiation, including transverse imaging and spatially resolved spectral measurements.

© 2005 Optical Society of America

OCIS Codes
(010.1300) Atmospheric and oceanic optics : Atmospheric propagation
(190.2620) Nonlinear optics : Harmonic generation and mixing
(260.7190) Physical optics : Ultraviolet

Citation
I. Alexeev, A. C. Ting, D. F. Gordon, E. Briscoe, B. Hafizi, and P. Sprangle, "Characterization of the third-harmonic radiation generated by intense laser self-formed filaments propagating in air," Opt. Lett. 30, 1503-1505 (2005)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-30-12-1503

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