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 Date: 2014-05-12 12:47:19Emission spectroscopy Scattering Observational astronomy Electromagnetic spectrum Spectral line Frequency Spectrometer Terahertz radiation Emission spectrum Physics Chemistry Spectroscopy |
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APPLIED PHYSICS LETTERS 97, 161105 共2010兲 Terahertz heterodyne spectrometer using a quantum cascade laser Y. Ren,1,2,3,a兲 J. N. Hovenier,1 R. Higgins,4 J. R. Gao,1,5,a兲 T. M. Klapwijk,1 S. C. Shi,2 A. Bell,6 B.