Portable cavity ring-down spectrometer for an HO2 radical measurement: instrument's performance and potential improvement using a narrow linewidth laser
文献类型：期刊论文
| 作者 | Wang, Chunhui1,2; Zhao, Weixiong2 ; Fang, Bo2; Yang, Nana2,3; Cheng, Feihu2; Hu, Xiao2,3; Chen, Yang2,3; Zhang, Weijun1,2; Fittschen, Christa4; Chen, Weidong5
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| 刊名 | OPTICS EXPRESS
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| 出版日期 | 2022-10-10 |
| 卷号 | 30 |
| ISSN号 | 1094-4087 |
| DOI | 10.1364/OE.470296 |
| 通讯作者 | Zhao, Weixiong(wjzhang@aiofm.ac.cn) |
| 英文摘要 | We report the development of a portable cavity ring-down spectrometer (CRDS) for direct and absolute measurement of HO2 radical concentration using a distributed feedback (DFB) diode laser operating at 1506 nm. The spectrometer has a compact design with all optics in a 1000 x 400 x 140 mm3 box. At a pressure of 100 mbar and a ring-down time (Tau 0) of 136 mu s, the detection limit of the CRDS spectrometer was similar to 7.3 x 107 molecule/cm3 (1 Sigma , 10s). The corresponding detection sensitivity was 1.5 x 10-11 cm-1 , which was close to the state-of-the-art performance. By replacing the DFB diode laser with a narrow linewidth erbium-doped fiber (EDF) laser, the amplitude fluctuation caused by the laser phase noise was reduced and the cavity mode injection efficiency was improved. The sensitivity was improved to 3.9 x 10-12 cm-1 with a short data-acquisition time of 0.2 s. Compared with the DFB laser, the improvement was nearly an order of magnitude. The use of the narrow linewidth laser is attractive. The instrument can achieve very high sensitivity without the need for a complex locking technique, ensuring simple and ease of use in future field applications.(c) 2022 Optica Publishing Group under the terms of the Optica Open Access Publishing Agreement |
| WOS关键词 | ABSORPTION-SPECTROSCOPY ; BAND ; PHOTOLYSIS ; NOISE ; OH |
| 资助项目 | National Natural Science Foundation of China ; Youth Innovation Promotion Association ; [41627810] ; [42022051] ; [U21A2028] ; [Y202089] ; [YZJJ202101] |
| WOS研究方向 | Optics |
| 语种 | 英语 |
| 出版者 | Optica Publishing Group |
| WOS记录号 | WOS:000876702100004 |
| 资助机构 | National Natural Science Foundation of China ; Youth Innovation Promotion Association |
| 源URL | [http://ir.hfcas.ac.cn:8080/handle/334002/129997]  |
| 专题 | 中国科学院合肥物质科学研究院 |
| 通讯作者 | Zhao, Weixiong |
| 作者单位 | 1.Univ Sci & Technol China, Sch Environm Sci & Optoelect Technol, Hefei 230026, Anhui, Peoples R China 2.Chinese Acad Sci, Anhui Inst Opt & Fine Mech, Lab Atmospher Physico Chem, HFIPS, Hefei 230031, Anhui, Peoples R China 3.Univ Sci & Technol China, Grad Sch, Hefei 230026, Anhui, Peoples R China 4.UniversiteLille, CNRS, UMR 8522, PC2A Physicochimie Proc Combust & Atmosphere, F-59000 Lille, France 5.Univ Littoral Cote dOpale, Lab Physicochimie Atmosphere, F-59140 Dunkerque, France |
| 推荐引用方式 GB/T 7714 | Wang, Chunhui,Zhao, Weixiong,Fang, Bo,et al. Portable cavity ring-down spectrometer for an HO2 radical measurement: instrument's performance and potential improvement using a narrow linewidth laser[J]. OPTICS EXPRESS,2022,30. |
| APA | Wang, Chunhui.,Zhao, Weixiong.,Fang, Bo.,Yang, Nana.,Cheng, Feihu.,...&Chen, Weidong.(2022).Portable cavity ring-down spectrometer for an HO2 radical measurement: instrument's performance and potential improvement using a narrow linewidth laser.OPTICS EXPRESS,30. |
| MLA | Wang, Chunhui,et al."Portable cavity ring-down spectrometer for an HO2 radical measurement: instrument's performance and potential improvement using a narrow linewidth laser".OPTICS EXPRESS 30(2022). |
入库方式： OAI收割
来源：合肥物质科学研究院
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