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SPECTROSCOPY AND SPECTRAL ANALYSIS  2012, Vol. 32 Issue (05): 1251-1254    DOI: 10.3964/j.issn.1000-0593(2012)05-1251-04
光谱学与光谱分析 |
Mid-Infrared Distributed-Feedback Quantum Cascade Laser-Based Photoacoustic Detection of Trace Methane Gas
TAN Song1,2, LIU Wan-feng1, WANG Li-jun1*, ZHANG Jin-chuan1, LI Lu1, LIU Jun-qi1, LIU Feng-qi1, WANG Zhan-guo1
1. Key Laboratory of Semiconductor Materials Science, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083, China2. Department of Physics, Tsinghua University, Beijing 100084, China