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"/>     Purity analysis of helium using quartz-enhanced photoacoustic spectroscopy with two non-resonant micro-tubes
Acta Physica Sinica
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Acta Phys. Sin  2013, Vol. 62 Issue (7): 070701     doi:10.7498/aps.62.070701
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Purity analysis of helium using quartz-enhanced photoacoustic spectroscopy with two non-resonant micro-tubes
Wu Hong-Peng1, Dong Lei1, Zheng Hua-Dan1, Liu Yan-Yan1, Ma Wei-Guang1, Zhang Lei1, Wang Wu-Yi2, Zhu Qing-Ke2, Yin Wang-Bao1, Jia Suo-Tang1
1. State Key Laboratory of Quantum Optics and Quantum Optics Devices, Lab for Laser Spectroscopy, Shanxi University, Taiyuan 030006, China;
2. Shanxi Institute of Metrology, Taiyuan 030006, China
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