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Quartz-enhanced photoacoustic spectroscopy exploiting a fast and wideband electro-mechanical light modulator
H. D. Zheng,Y. H. Liu,H. Y. Lin,R. F. Kan,L. Dong,W. G. Zhu,J. B. Fang,J. H. Yu,F. K. Tittel and Z. Chen
2020
发表期刊Optics Express
ISSN1094-4087
卷号28期号:19页码:27966-27973
摘要A quartz-enhanced photoacoustic spectroscopy (QEPAS) gas sensor exploiting a fast and wideband electro-mechanical light modulator was developed. The modulator was designed based on the electro-mechanical effect of a commercial quartz tuning fork (QTF). The laser beam was directed on the edge surface of the QTF prongs. The configuration of the laser beam and the QTF was optimized in detail in order to achieve a modulation efficiency of similar to 100%. The L-band single wavelength laser diode and a C-band tunable continuous wave laser were used to verify the performance of the developed QTF modulator, respectively, realizing a QEPAS sensor based on amplitude modulation (AM). As proof of concept, the AM-based QEPAS sensor demonstrated a detection limit of 45 ppm for H2O and 50 ppm for CO2 with a 1 s integration time respectively. (C) 2020 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
DOI10.1364/oe.400100
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收录类别SCI ; EI
语种英语
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文献类型期刊论文
条目标识符http://ir.ciomp.ac.cn/handle/181722/64821
专题中国科学院长春光学精密机械与物理研究所
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H. D. Zheng,Y. H. Liu,H. Y. Lin,R. F. Kan,L. Dong,W. G. Zhu,J. B. Fang,J. H. Yu,F. K. Tittel and Z. Chen. Quartz-enhanced photoacoustic spectroscopy exploiting a fast and wideband electro-mechanical light modulator[J]. Optics Express,2020,28(19):27966-27973.
APA H. D. Zheng,Y. H. Liu,H. Y. Lin,R. F. Kan,L. Dong,W. G. Zhu,J. B. Fang,J. H. Yu,F. K. Tittel and Z. Chen.(2020).Quartz-enhanced photoacoustic spectroscopy exploiting a fast and wideband electro-mechanical light modulator.Optics Express,28(19),27966-27973.
MLA H. D. Zheng,Y. H. Liu,H. Y. Lin,R. F. Kan,L. Dong,W. G. Zhu,J. B. Fang,J. H. Yu,F. K. Tittel and Z. Chen."Quartz-enhanced photoacoustic spectroscopy exploiting a fast and wideband electro-mechanical light modulator".Optics Express 28.19(2020):27966-27973.
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