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Terahertz heterodyne spectrometer using a quantum cascade laser
Ren, Y.1,2,3; Hovenier, J. N.1; Higgins, R.4; Gao, J. R.1,5; Klapwijk, T. M.1; Shi, S. C.2; Bell, A.6; Klein, B.6; Williams, B. S.7; Kumar, S.7; Hu, Q.7; Reno, J. L.8
AbstractA terahertz (THz) heterodyne spectrometer is demonstrated based on a quantum cascade laser (QCL) as a local oscillator (LO) and an NbN hot electron bolometer as a mixer, and it is used to measure high-resolution molecular spectral lines of methanol (CH(3)OH) between 2.913-2.918 THz. The spectral lines are taken from a gas cell containing methanol gas and using a single-mode QCL at 2.9156 THz as an LO, which is operated in the free running mode. By increasing the pressure of the gas, line broadening and saturation are observed. The measured spectra showed good agreement with a theoretical model. (C) 2010 American Institute of Physics. [doi:10.1063/1.3502479]
WOS HeadingsScience & Technology ; Physical Sciences
Indexed BySCI
WOS Research AreaPhysics
WOS SubjectPhysics, Applied
WOS IDWOS:000283502100005
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Cited Times:18[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Affiliation1.Delft Univ Technol, Kavli Inst NanoSci, NL-2628 CJ Delft, Netherlands
2.Chinese Acad Sci, PMO, Nanjing 210008, Jiangsu, Peoples R China
3.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
4.Natl Univ Ireland, Dept Expt Phys, Maynooth, Kildare, Ireland
5.SRON Netherlands Inst Space Res, NL-3584 CA Utrecht, Netherlands
6.MPIfR, D-53121 Bonn, Germany
7.MIT, Dept Elect Engn & Comp Sci, Cambridge, MA 02139 USA
8.Sandia Natl Labs, Albuquerque, NM 87185 USA
Recommended Citation
GB/T 7714
Ren, Y.,Hovenier, J. N.,Higgins, R.,et al. Terahertz heterodyne spectrometer using a quantum cascade laser[J]. APPLIED PHYSICS LETTERS,2010,97(16).
APA Ren, Y..,Hovenier, J. N..,Higgins, R..,Gao, J. R..,Klapwijk, T. M..,...&Reno, J. L..(2010).Terahertz heterodyne spectrometer using a quantum cascade laser.APPLIED PHYSICS LETTERS,97(16).
MLA Ren, Y.,et al."Terahertz heterodyne spectrometer using a quantum cascade laser".APPLIED PHYSICS LETTERS 97.16(2010).
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