An Experiment to Compress Polarized 3He Gas
An Experiment to Compress Polarized 3He Gas
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压缩极化 3He 气体的实验
DOI：
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发表时间：
1971
期刊：
影响因子：
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通讯作者：
A. May
中科院分区：
文献类型：
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作者：
R. Timsit;J. Daniels;E. I. Dennig;A. Kiang;A. May
在1托压力下通过23 S1亚稳原子的光泵浦而极化的氦-3已经被压缩到217托的压力，并且已经证实该气体保持极化。使用Toepler泵将1托的3 He极化并压缩到储存灯泡中，并且通过连续充入3 He来重复这一过程，直到储存灯泡中的压力在操作约4小时后上升到217托。 一些气体返回到设备的低压侧，并测量其极化。在压缩每个装料之前获得的极化为0.04;返回气体的测量极化为0.03。
Helium-3, polarized by optical pumping of the 23S1 metastable atoms at 1 Torr pressure, has been compressed to a pressure of 217 Torr and it has been verified that the gas remains polarized. 3He at 1 Torr was polarized and compressed into a storage bulb using a Toepler pump, and this was repeated with successive charges of 3He until the pressure in the storage bulb rose to 217 Torr after about 4 h of operation. Some of the gas was returned to the low pressure side of the equipment and its polarization was measured. The polarization attained before each charge was compressed was 0.04; the measured polarization of the returned gas was 0.03.