Production of photoionized plasmas in the laboratory with x-ray line radiation

S. White; R. Irwin; J. R. Warwick; G. F. Gribakin; G. Sarri; F. P. Keenan; D. Riley; S. J. Rose; E. G. Hill; G. J. Ferland; B. Han; F. Wang; G. Zhao

doi:10.1103/PhysRevE.97.063203

Production of photoionized plasmas in the laboratory with x-ray line radiation

S. White, R. Irwin, J. R. Warwick, G. F. Gribakin, G. Sarri, F. P. Keenan, D. Riley, S. J. Rose, E. G. Hill, G. J. Ferland, B. Han, F. Wang, G. Zhao

Research output: Contribution to journal › Article › peer-review

12 Scopus citations

Abstract

In this paper we report the experimental implementation of a theoretically proposed technique for creating a photoionized plasma in the laboratory using x-ray line radiation. Using a Sn laser plasma to irradiate an Ar gas target, the photoionization parameter, ξ=4πF/Ne, reached values of order 50ergcms-1, where F is the radiation flux in ergcm-2s-1. The significance of this is that this technique allows us to mimic effective spectral radiation temperatures in excess of 1 keV. We show that our plasma starts to be collisionally dominated before the peak of the x-ray drive. However, the technique is extendable to higher-energy laser systems to create plasmas with parameters relevant to benchmarking codes used to model astrophysical objects.

Original language	English
Article number	063203
Journal	Physical Review E - Statistical, Nonlinear, and Soft Matter Physics
Volume	97
Issue number	6
DOIs	https://doi.org/10.1103/PhysRevE.97.063203
State	Published - Jun 7 2018

Bibliographical note

Publisher Copyright:
© 2018 American Physical Society.

Funding

This work was supported by the UK Science and Technology Facilities Council, the National Natural Science Foundation of China under Grant No. 11573040, Science Challenge Project No. TZ2016005, and Royal Society International Exchanges Grant No. IE161039. The authors gratefully acknowledge the expert support from the VULCAN laser facility. Supplementary data and raw images used are available . This work was supported by the UK Science and Technology Facilities Council, the National Natural Science Foundation of China under Grant No. 11573040, Science Challenge Project No. TZ2016005, and Royal Society International Exchanges Grant No. IE161039. The authors gratefully acknowledge the expert support from the VULCAN laser facility. Supplementary data and raw images used are available [24]

Funders	Funder number
Science Challenge Project	TZ2016005
Science and Technology Facilities Council	ST/P000304/1
National Natural Science Foundation of China (NSFC)	11573040, TZ2016005
Royal Society of Medicine	IE161039
National Science Foundation Arctic Social Science Program	1816537, 1412155

ASJC Scopus subject areas

Statistical and Nonlinear Physics
Statistics and Probability
Condensed Matter Physics

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White, S., Irwin, R., Warwick, J. R., Gribakin, G. F., Sarri, G., Keenan, F. P., Riley, D., Rose, S. J., Hill, E. G., Ferland, G. J., Han, B., Wang, F., & Zhao, G. (2018). Production of photoionized plasmas in the laboratory with x-ray line radiation. Physical Review E - Statistical, Nonlinear, and Soft Matter Physics, 97(6), Article 063203. https://doi.org/10.1103/PhysRevE.97.063203

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abstract = "In this paper we report the experimental implementation of a theoretically proposed technique for creating a photoionized plasma in the laboratory using x-ray line radiation. Using a Sn laser plasma to irradiate an Ar gas target, the photoionization parameter, ξ=4πF/Ne, reached values of order 50ergcms-1, where F is the radiation flux in ergcm-2s-1. The significance of this is that this technique allows us to mimic effective spectral radiation temperatures in excess of 1 keV. We show that our plasma starts to be collisionally dominated before the peak of the x-ray drive. However, the technique is extendable to higher-energy laser systems to create plasmas with parameters relevant to benchmarking codes used to model astrophysical objects.",

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AU - White, S.

AU - Irwin, R.

AU - Warwick, J. R.

AU - Gribakin, G. F.

AU - Sarri, G.

AU - Keenan, F. P.

AU - Riley, D.

AU - Rose, S. J.

AU - Hill, E. G.

AU - Ferland, G. J.

AU - Han, B.

AU - Wang, F.

AU - Zhao, G.

PY - 2018/6/7

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AB - In this paper we report the experimental implementation of a theoretically proposed technique for creating a photoionized plasma in the laboratory using x-ray line radiation. Using a Sn laser plasma to irradiate an Ar gas target, the photoionization parameter, ξ=4πF/Ne, reached values of order 50ergcms-1, where F is the radiation flux in ergcm-2s-1. The significance of this is that this technique allows us to mimic effective spectral radiation temperatures in excess of 1 keV. We show that our plasma starts to be collisionally dominated before the peak of the x-ray drive. However, the technique is extendable to higher-energy laser systems to create plasmas with parameters relevant to benchmarking codes used to model astrophysical objects.

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Production of photoionized plasmas in the laboratory with x-ray line radiation

Abstract

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