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Phys. Rev. Lett. 88, 033902 (2002) [4 pages]

High-Brightness High-Order Harmonic Generation by Truncated Bessel Beams in the Sub-10-fs Regime
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M. Nisoli *, E. Priori, G. Sansone, S. Stagira, G. Cerullo, and S. De Silvestri
Istituto Nazionale per la Fisica della Materia, Centro di Elettronica Quantistica e Strumentazione Elettronica–C.N.R., Dipartimento di Fisica, Politecnico, Milano, Italy

C. Altucci
Istituto Nazionale per la Fisica della Materia, Dipartimento di Chimica, Università della Basilicata, Potenza, Italy

R. Bruzzese and C. de Lisio
Istituto Nazionale per la Fisica della Materia, Dipartimento di Scienze Fisiche, Università di Napoli “Federico II,” Napoli, Italy

P. Villoresi, L. Poletto, M. Pascolini, and G. Tondello
Istituto Nazionale per la Fisica della Materia, Laboratorio di Elettronica Quantistica–D.E.I., Università di Padova, Padova, Italy

Received 21 June 2001; published 2 January 2002

Low-divergence, high-brightness harmonic emission has been generated by using a fundamental beam with a truncated Bessel intensity profile. Such a beam is directly obtained by using the hollow-fiber compression technique, which indeed allows one to optimize both temporal and spatial characteristics of the high-order harmonic generation process. This is particularly important for the applications of radiation, where extreme temporal resolution and high brightness are required.


©2002 The American Physical Society

URL: http://link.aps.org/abstract/PRL/v88/e033902
DOI: 10.1103/PhysRevLett.88.033902
PACS: 42.65.Ky, 42.50.Hz, 42.65.Re

* Email address: mauro.nisoli@fisi.polimi.it

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