The optically pumped polarized H− source at TRIUMF

C. Levy, M. Mcdonald, P. Schmor, S. Yao
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Abstract

An optically pumped ion source capable of producing more than 10 μA continuous polarized H− suitable for injection into the cyclotron is being constructed. Preliminary measurements of sodium target polarization are reported. Broadband laser pumping is shown to be effective, and increases in polarization with magnetic field and with bi‐directional pumping are observed and explained.
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旋光激光器的光泵浦偏振H -源
构建了一种能够产生10 μA以上连续极化H−的光泵离子源,适合注入回旋加速器。报道了钠靶极化的初步测量结果。宽带激光抽运被证明是有效的,并且极化随磁场和双向抽运的增加被观察和解释。
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