Hard x-rays and high-energy electrons from a laser plasma accelerator

S P D Mangles,Michael S Bloom,Matthew J Streeter,Andreas Dopp,S Kneip,Hirotaka Nakamura,Z Najmudin, R A Bendoyro, Jiasheng Jiang,N C Lopes, D R Symes

Plasma Science（2012）

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摘要

Using a 250 TW laser pulse from the Astra Gemini Laser at the Rutherford Appleton Laboratory we demonstrate the production of high-energy (>; 1 GeV) electron beams and bright, hard x-rays (10-100 keV) using a self-injecting, selfguiding laser wakefield accelerator. Analysis of the three dimensional momentum trajectory of the electron beam provides insight into the x-ray generation mechanism. These bright, femtosecond duration flashes of x-ray light could be useful for a wide range of applications.

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关键词

x-ray production,electron beams,particle beam dynamics,particle beam injection,plasma accelerators,wakefield accelerators,3d momentum trajectory,astra gemini laser,rutherford appleton laboratory,x-ray generation mechanism,x-ray light,bright femtosecond duration flashes,bright hard x-rays,high-energy electron beam production,high-energy electrons,laser plasma accelerator,laser pulse,power 250 tw,self-injecting selfguiding laser wakefield accelerator

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