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| WEBH3 |
Experimental Polarization Control of Thomson Scattering X-ray Source |
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- H. Zhang
Tsinghua University, Beijing, People's Republic of China
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Thomson scattering of intense laser pulses from relativistic electrons allows us to generate high-brightness and tunable-polarization X/gama-ray pulses. In this paper we demonstrate the polarization control of the Thomson scattering source experimentally. We control the incident laser polarization by rotating a quarter-wave plate, thus controlling X/gama-ray polarization. In order to measure the polarization, we use Compton scattering method. Meanwhile, stokes parameters of X/gama-ray whose energy varies between tens of keV and MeV are simulated. The simulation results show that with the increasing of X-ray Energy, X-ray polarization is a constant value in a small cone of motivation. According to modulation curves analyzed from experiment results, we can get the conclusion that the polarization of Thomson scattering source is tunable and controllable.
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| DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-SAP2017-WEBH3
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