Abstract

We report guiding of sub-100-fs pulses at intensities up to $5\times {10}^{15} \mathrm{W}/{\mathrm{cm}}^2$ over a distance of 1 cm in a preformed plasma channel. The width of the guided pulse was shortened, which we attribute to ionization-induced refraction at the channel entrance. A pulse energy throughput of 30% in the lowest-order was measured.

© 1997 Optical Society of America

Femtosecond pump-probe study of preformed plasma channels

Rafal Zgadzaj, Erhard W. Gaul, Nicholas H. Matlis, Gennady Shvets, and Michael C. Downer
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Guiding and damping of high-intensity laser pulses in long plasma channels

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Plasma waveguide formation in predissociated clustering gases

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Generation of intense tunable 20-fs pulses near 400 nm by use of a gas-filled hollow waveguide

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