Imaging Laser wake fields by Thomson Scattering a Co-Propagating Pulse

doi:10.1088/0256-307X/34/1/015202

Chin. Phys. Lett.

2017, Vol. 34

Issue (1): 015202 DOI: 10.1088/0256-307X/34/1/015202

PHYSICS OF GASES, PLASMAS, AND ELECTRIC DISCHARGES

Imaging Laser wake fields by Thomson Scattering a Co-Propagating Pulse

Hong-Jie Liu^1,2**, Yu-Qiu Gu^1,2, Gang Li^1,2, Feng Lu^1,2, Bo Cui^1,2, Zeng-Hai Dai^1,2, Yan-Yun Ma³, Wei-Min Zhou^1,2, Lei-Feng Cao^1,2, Bao-Han Zhang^1,2

¹Research Center of Laser Fusion, China Academy of Engineering Physics, Mianyang 621900
²Science and Technology on Plasma Physics Laboratory, Mianyang 621900
³Department of Physics, National University of Defense Technology, Changsha 410073

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Hong-Jie Liu, Yu-Qiu Gu, Gang Li et al 2017 Chin. Phys. Lett. 34 015202

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Abstract Thomson scattering imaging (TSI) is proposed and experimentally demonstrated to observe the fine structure of the laser wake field. By Thomson scattering a co-propagating laser pulse, we obtain clear images indicating that the wake field is like an acaleph swimming behind the pump laser. The wavelength of the wake field observed at different electron densities agrees well with the theory. Since no mathematics transformation is involved, TSI could be potentially used as an online monitor for future 'tabletop' plasma accelerators.

Received: 18 August 2016 Published: 29 December 2016

PACS:	52.35.Fp	(Electrostatic waves and oscillations (e.g., ion-acoustic waves))
	52.80.Dy	(Low-field and Townsend discharges)
	52.40.Db	(Electromagnetic (nonlaser) radiation interactions with plasma)

Fund: Supported by the National Natural Science Foundation of China, and the Foundation of Science and Technology on Plasma Physics Laboratory.

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https://cpl.iphy.ac.cn/10.1088/0256-307X/34/1/015202 OR https://cpl.iphy.ac.cn/Y2017/V34/I1/015202

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	Hong-Jie Liu
	Yu-Qiu Gu
	Gang Li
	Feng Lu
	Bo Cui
	Zeng-Hai Dai
	Yan-Yun Ma
	Wei-Min Zhou
	Lei-Feng Cao
	Bao-Han Zhang

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