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Ionization yield measurement using metal electrodes with a static electric field in ambient air

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Title
Ionization yield measurement using metal electrodes with a static electric field in ambient air
Author(s)
Wosik Cho; Yang Hwan Kim; Igor A Ivanov; Kyung Taec Kim
Subject
attosecond science and technology, ; ionization yield measurement, ; strong field physics
Publication Date
2020-09
Journal
JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS, v.53, no.17, pp.174003
Publisher
IOP PUBLISHING LTD
Abstract
© 2020 IOP Publishing Ltd. The amount of ionization produced in a laser-matter interaction provides critical information in studying strong field physics and attosecond science. The amount of ionization can be accurately measured in vacuum using a photoelectron/ion spectrometer by counting the number of charged particles. However, an ionization yield measurement in ambient air requires the considerations of post processes such as drift and recombination of charged particles, which may add an unwanted nonlinearity to the measurement. Here we investigate the kinetics of the charged particles after optical field ionization in ambient air under a static bias field. A simple kinetic model is used in which coupled rate equations are numerically solved. The kinetic model explains the recombination loss of the charged particles observed in ionization yield measurements. A condition for the static bias field is derived for an accurate ionization yield measurement
URI
https://pr.ibs.re.kr/handle/8788114/7661
DOI
10.1088/1361-6455/ab9769
ISSN
0953-4075
Appears in Collections:
Center for Relativistic Laser Science(초강력 레이저과학 연구단) > 1. Journal Papers (저널논문)
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