Polarization Measurement of Spin-Polarized Electrons by Optical Electron Polarimeter

Chin. Phys. Lett.

2005, Vol. 22

Issue (10): 2546-2548 DOI:

Original Articles

Polarization Measurement of Spin-Polarized Electrons by Optical Electron Polarimeter

DING Hai-Bing;PANG Wen-Ning;LIU Yi-Bao;SHANG Ren-Cheng

Department of Physics, Tsinghua University, Beijing 100084

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DING Hai-Bing, PANG Wen-Ning, LIU Yi-Bao et al 2005 Chin. Phys. Lett. 22 2546-2548

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Abstract The polarization of spin-polarized electrons, produced from a new GaAs spin-polarized electron source, is determined by an optical electron polarimeter. The He 3 ³P → 2³S₁ (388.9nm) transition is used for the optical electron polarimetry. The structure and performance of the experimental setup of spin-polarized electron source and optical electron polarimeter are described. The result of polarization of 30.8% averaged spin-up and spin-down polarized electrons is obtained and presented.

Keywords: 34.80.Nz 32.30.Jc

Published: 01 October 2005

PACS:	34.80.Nz	(Spin dependence of cross sections; polarized beam experiments)
	32.30.Jc	(Visible and ultraviolet spectra)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y2005/V22/I10/02546

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	DING Hai-Bing
	PANG Wen-Ning
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	SHANG Ren-Cheng

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