Multi-parameter optimization of a loose focusing high flux high-harmonic beamline

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Title
Multi-parameter optimization of a loose focusing high flux high-harmonic beamline
Author(s)
Kovacs, K; Major, B; E Balogh; Koros, CP; Rudawaski, SP; Heyl, CM; Johnsson, P; Arnold, CL; Hullier, AL; Tosa, V; Varju, K
Publication Date
2019-03
Journal
JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS, v.52, no.5, pp.055402 -
Publisher
IOP PUBLISHING LTD
Abstract
We perform a multi-dimensional parameter scan in the generation of high-order harmonics, with the main purpose to find the macroscopic conditions that optimize the harmonic yield in a specific spectral domain, around 40 eV for this particular case. The scanned parameters are the laser pulse energy, gas pressure, interaction cell position relative to focus and the cell length, while the fixed parameters are chosen to model a loose focusing configuration which is used in many existing laboratories. We performed the simulations with a 3D non-adiabatic model complemented by a detailed analysis of the phase matching mechanisms involved in an efficient harmonic generation. Based on the results we identify a range of parameter combinations that lead to a high yield in the specified spectral domain The method and results presented here can be the framework for the design and construction of high flux high-order harmonic generation beamlines. © 2019 IOP Publishing Ltd Printed in the UK
URI
https://pr.ibs.re.kr/handle/8788114/6019
ISSN
0953-4075
Appears in Collections:
Center for Relativistic Laser Science(초강력 레이저과학 연구단) > Journal Papers (저널논문)
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