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Self-channeling of high-peak-power femtosecond laser pulses in air

Optics Letters · 1995 · Vol. 20(1) · pp. 73–73

A. Braun✉(University of Michigan–Ann Arbor)G. Korn(Optical Sciences (United States))Xiaohong Liu(University of Michigan–Ann Arbor)D. Du(Optical Sciences (United States))Jeffrey A. Squier(Optical Sciences (United States))G. Mourou(Optical Sciences (United States))

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Abstract

The self-channeling of ultrashort laser pulses through 20 m of air was demonstrated. The channeled pulse was measured to have 0.75 mJ of energy, a diameter of 80 microm FWHM, and a modulated spectrum. All these values were measured to be fairly constant during the propagation of the pulse. A preliminary model is shown to explain these results.

Laser-Matter Interactions and Applications Laser-Plasma Interactions and Diagnostics Advanced Fiber Laser TechnologiesOpticsFemtosecondLaserMaterials scienceFull width at half maximumPulse (music)Femtosecond pulse shapingUltrashort pulseSelf-phase modulationUltrafast laser spectroscopy

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