Broadband UV Supercontinuum Generation by Three-Color Ionizing Laser Pulses

Author:

Laryushin Ivan12,Romanov Alexander12ORCID

Affiliation:

1. Institute of Applied Physics (IAP RAS), 603950 Nizhny Novgorod, Russia

2. Department of Electrodynamics, Lobachevsky State University of Nizhny Novgorod, 603022 Nizhny Novgorod, Russia

Abstract

We theoretically investigated the properties of the ultraviolet secondary radiation generated under the action of three-color ionizing pulses obtained from parametric light generators. We show that the combination components in the spectrum of electron currents generated under the action of such three-color pulses can form a strictly exponentially decreasing sequence. For moderately short pump pulse durations (30 fs at 800 nm main field) with the use of this effect, it is possible to generate a smooth broadband supercontinuum in the 800–100 nm range.

Funder

Russian Science Foundation

Publisher

MDPI AG

Subject

Radiology, Nuclear Medicine and imaging,Instrumentation,Atomic and Molecular Physics, and Optics

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