OPTICAL PUMPING OF NEON 3P2 METASTABLE ATOMS

被引:28
作者
SCHEARER, LD
机构
[1] Texas Instruments Incorporated, Dallas, TX
来源
PHYSICAL REVIEW | 1969年 / 180卷 / 01期
关键词
D O I
10.1103/PhysRev.180.83
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
The P23 metastable atoms of neon have been optically oriented. This represents the first case of the optical pumping of non-S state atoms. The optical-pumping process is described, and depolarization cross sections for collisions with ground-state neon and ground-state helium atoms measured. The cross section for collisional depolarization with helium is 4.30 ± 0.22 × 10-17 cm2, and with neon is 166 ± 8 × 10-17 cm2 at 300°K. The metastable P23 atoms of Ar and Xe have also been optically pumped. As the polarizability of the noble-gas buffer increases, the collisional depolarization cross section approaches the diffusion cross section. © 1969 The American Physical Society.
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页码:83 / &
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