We propose a different approach to obtain phase-matched generation of high-order harmonics based on the use of pulsed Bessel beams as pump pulses. By means of the “coherence map” technique, we show that it is possible to maximize the generation of a chosen harmonic of interest by properly adjusting the phase front tilt of the pulsed Bessel beam to compensate the mismatch arising from material and plasma dispersion and atomic phase.
Phase matching with Pulsed Bessel Beams for High Harmonic Generation
FACCIO, DANIELE FRANCO ANGEL;BERLASSO, RICARDO GABRIEL;DI TRAPANI, PAOLO
2008-01-01
Abstract
We propose a different approach to obtain phase-matched generation of high-order harmonics based on the use of pulsed Bessel beams as pump pulses. By means of the “coherence map” technique, we show that it is possible to maximize the generation of a chosen harmonic of interest by properly adjusting the phase front tilt of the pulsed Bessel beam to compensate the mismatch arising from material and plasma dispersion and atomic phase.
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vol. 77, 021802 (2008) UGOV 1717441.pdf
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