Monochromatic high-harmonic generation by Bessel-Gauss beam in periodically modulated media
Abstract
High harmonic generation (HHG) has become a multipurpose source of coherent XUV radiation used in various applications. One of the notable aspects of HHG is its wide spectrum consisting of many harmonic orders. This might represent a bottleneck in HHG utility for applications requiring a single wavelength. We propose a method to generate radiation consisting of a single high-order harmonic frequency employing Bessel-Gauss driving beam and a periodically modulated gaseous medium. We validate it by analytical calculations and numerical simulations. Our method provides a way to generate monochromatic harmonic radiation directly from the source without the need for additional monochromatizing optics. Thus, it represents a substantial enhancement of the flux and simplification of the setup for numerous applications requiring monochromatic short-wavelength radiation.
Keywords
Cite
@article{arxiv.2403.04288,
title = {Monochromatic high-harmonic generation by Bessel-Gauss beam in periodically modulated media},
author = {Ondřej Finke and Jan Vábek and Matěj Dvořáček and Lucie Jurkovičová and Martin Albrecht and Hrehorij Ovcharenko and Ondřej Hort and Jaroslav Nejdl},
journal= {arXiv preprint arXiv:2403.04288},
year = {2024}
}