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Demonstration of a mid-infrared NO molecular Faraday optical filter
Wu, Kuijun1; Feng, Yutao2; Li, Juan2; Yu, Guangbao1; Liu, Linmei1; Xiong, Yuanhui1; Li, Faquan1
Source PublicationOPTICS EXPRESS
Contribution Rank2
AbstractA molecular Faraday optical filter (MFOF) working in the mid-infrared region is realized for the first time. NO molecule was used as the working material of the MFOF for potential applications in atmospheric remote sensing and combustion diagnosis. We develop a complete theory to describe the performance of MFOF by taking both Zeeman absorption and Faraday rotation into account. We also record the Faraday rotation transmission (FRT) signal using a quantum cascade laser over the range of 1,820 cm(-1) to 1,922 cm(-1) and calibrate it by using a 101.6 mm long solid germanium etalon with a free spectral range of 0.012 cm(-1). Good agreement between the simulation results and experimental data is achieved. The NO-MFOF's transmission characteristics as a function of magnetic field and pressure are studied in detail. Both Comb-like FRT spectrum and single branch transmission spectrum are obtained by changing the magnetic field. The diversity of FRT spectrum expands the range of potential applications in infrared optical remote sensing. This filtering method can also be extended to the lines of other paramagnetic molecules. (C) 2017 Optical Society of America under the terms of the OSA Open Access Publishing Agreement

Indexed BySCI ; EI
WOS IDWOS:000417591100010
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Document Type期刊论文
Affiliation1.Chinese Acad Sci, State Key Lab Magnet Resonance & Atom & Mol Phys, Wuhan Inst Phys & Math, Wuhan Natl Lab Optoelect, Wuhan 430071, Hubei, Peoples R China;
2.Chinese Acad Sci, Key Lab Spectral Imaging Technol, Xian Inst Opt & Precis Mech, Xian 710119, Shaanxi, Peoples R China
Recommended Citation
GB/T 7714
Wu, Kuijun,Feng, Yutao,Li, Juan,et al. Demonstration of a mid-infrared NO molecular Faraday optical filter[J]. OPTICS EXPRESS,2017,25(25):30916-30930.
APA Wu, Kuijun.,Feng, Yutao.,Li, Juan.,Yu, Guangbao.,Liu, Linmei.,...&Li, Faquan.(2017).Demonstration of a mid-infrared NO molecular Faraday optical filter.OPTICS EXPRESS,25(25),30916-30930.
MLA Wu, Kuijun,et al."Demonstration of a mid-infrared NO molecular Faraday optical filter".OPTICS EXPRESS 25.25(2017):30916-30930.
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