High-flux and bright betatron X-ray source generated from femtosecond laser pulse interaction with sub-critical density plasma

Ruixian Huang; Ruixian Huang; Liqi Han; Yinren Shou; Dahui Wang; Tongpu Yu; Jinqing Yu; Xueqing Yan; Xueqing Yan

doi:10.1364/OL.480553

Optics Letters
Vol. 48,
Issue 3,
pp. 819-822
(2023)
•https://doi.org/10.1364/OL.480553

High-flux and bright betatron X-ray source generated from femtosecond laser pulse interaction with sub-critical density plasma

Ruixian Huang, Liqi Han, Yinren Shou, Dahui Wang, Tongpu Yu, Jinqing Yu, and Xueqing Yan

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Ruixian Huang, Liqi Han, Yinren Shou, Dahui Wang, Tongpu Yu, Jinqing Yu, and Xueqing Yan, "High-flux and bright betatron X-ray source generated from femtosecond laser pulse interaction with sub-critical density plasma," Opt. Lett. 48, 819-822 (2023)

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Abstract

Recent progress on betatron X-ray source enables the exploration of new physics in fundamental science; however, the application range is still limited by the source flux and brightness. In this Letter, we show the generation of more than 1 × 10¹² photons (energy > 1 keV) with a peak brightness of 7.8 × 10²² photons/(s mm² mrad²) at 0.1% bandwidth (BW) at 10 keV, driven by a femtosecond laser pulse of ≈5.5 J and a sub-critical density plasma (SCDP). The source flux is more than two orders of magnitude higher than that from typical laser wakefield electron acceleration. This method to produce high-flux and bright X-ray source would open a wide range of applications.

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Supplementary Material (2)

Name	Description
Dataset 1	Supplemental Document
Supplement 1	Supplemental Document

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Data underlying the results presented in this paper are not publicly available at this time but may be obtained from the authors upon reasonable request.

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