Single-Shot Diagnosis of Electron Energy Evolution via Streaked Betatron X Rays in a Curved Laser Wakefield Accelerator

被引：1

作者：

Ma, Y. ^{[1
]}

Cardarelli, J. A. ^{[1
]}

Campbell, P. T. ^{[1
]}

Fourmaux, S. ^{[2
]}

Fitzgarrald, R. ^{[1
]}

Balcazar, M. D. ^{[1
]}

Antoine, A. F. ^{[1
]}

Beier, N. F. ^{[3
]}

Qian, Q. ^{[1
]}

Hussein, A. E. ^{[3
]}

Kettle, B. ^{[4
]}

Klein, S. R. ^{[1
]}

Krushelnick, K. ^{[1
]}

Li, Y. F. ^{[5
]}

Mangles, S. P. D. ^{[4
]}

Sarri, G. ^{[6
]}

Seipt, D. ^{[7
,8
]}

V.Senthilkumaran, V.

Streeter, M. J. V. ^{[6
]}

Willingale, L. ^{[1
]}

Thomas, A. G. R. ^{[1
]}

机构：

[1] Univ Michigan, Gerard Mourou Ctr Ultrafast Opt Sci, Ann Arbor, MI 48109 USA

[2] Univ Quebec INRS EMT, Inst Natl Rech Sci Energie Mat & Telecommun, 1650 Lionel Boulet, Varennes, PQ J3X 1P7, Canada

[3] Univ Alberta, Dept Elect & Comp Engn, Edmonton, AB T6G 1H9, Canada

[4] Imperial Coll London, John Adams Inst Accelerator Sci, London SW7 2AZ, England

[5] Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China

[6] Queens Univ Belfast, Sch Math & Phys, Belfast BT7 1NN, North Ireland

[7] Helmholtz Inst Jena, Frobelstieg 3, D-07743 Jena, Germany

[8] GSI Helmholtzzentrum Schwerionenforschung GmbH, Planckstr 1, D-64291 Darmstadt, Germany

来源：

PHYSICAL REVIEW LETTERS | 2024年 / 132卷 / 22期

基金：

加拿大自然科学与工程研究理事会;

关键词：

Betatrons - Electron energy levels - Laser beams - Plasma accelerators - Plasma density;

D O I：

10.1103/PhysRevLett.132.225001

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We report on an experimental observation of the streaking of betatron x rays in a curved laser wakefield accelerator. The streaking of the betatron x rays was realized by launching a laser pulse into a plasma with a transverse density gradient. By controlling the plasma density and the density gradient, we realized the steering of the laser driver, electron beam, and betatron x rays simultaneously. Moreover, we observed an energy -angle correlation of the streaked betatron x rays and utilized it in diagnosing the electron acceleration process in a single -shot mode. Our work could also find applications in advanced control of laser beam and particle propagation. More importantly, the angular streaked betatron x ray has an intrinsic spatiotemporal correlation, which makes it a promising tool for single -shot pump -probe applications.

引用

页数：7

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