Ultra-short laser-produced optical microcavities and ionization fronts

Year: 2000

Authors: Jarque E.C., Cornolti F., Macchi A.

Autors Affiliation: Univ Salamanca, Dept Fis Aplicada, E-37008 Salamanca, Spain; Univ Pisa, Dipartimento Fis, Pisa, Italy; Darmstadt Univ Technol, Darmstadt, Germany; Univ Pisa, INFM, Sezione A, Pisa, Italy.

Abstract: A class of nonlinear optical effects related to fast field ionization in an interference pattern is investigated by numerical simulations. Interference between counter-propagating ultrashort pulses slightly below the ionization threshold produces a layered distribution of free-electron density. In a dense dielectric target, this effect allows us to trap light between plasma layers creating a sort of optical microcavity. Other peculiar features include frequency upshift, pulse lengthening and self-generated relativistic ionization fronts.

Journal/Review: JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS

Volume: 33 (1)      Pages from: 1  to: 13

KeyWords: Frequency Up-conversion; Electromagnetic-radiation; Harmonic-generation; Field-ionization; Self-reflection; Thin Foil; Plasma; Pulses; Energy; Surface
DOI: 10.1088/0953-4075/33/1/301

ImpactFactor: 2.332
Citations: 5
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