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  4. 中科院安徽光学精密机械研究所
Measuring millimeter-scale distances in a laser self-mixing velocimeter with low-speed wavelength modulation

文献类型：期刊论文

作者Sun, Wu1; Gui, Huaqiao2,3; Zhang, Peng1; Wu, Shan1; Li, Zhen1; Zhang, Kaiyin1
刊名OPTICS COMMUNICATIONS
出版日期2018-11-15
卷号427页码:107-111
关键词Laser self-mixing interference Wavelength modulation Distance measurement Velocity measurement
ISSN号0030-4018
DOI10.1016/j.optcom.2018.06.034
通讯作者Wu, Shan(swu@fync.edu.cn)
英文摘要A method is proposed to measure short distances using a laser self-mixing velocimeter with low-speed wavelength modulation (2 kHz). The two power spectra obtained in the frequency domain around the rising edge and the falling edge frequencies are employed for estimating the distance and the velocity of a target. The results show that a low-speed wavelength modulation is helpful for the measurement because there are not enough fringes at such distances. The noise caused by the low-speed wavelength modulation and short distances can be distinguished by power spectrum analysis. The distance measurement attains a relative standard deviation of around 10(-3) in the range from 1 mm to 23 mm, and a relative standard deviation of around 10(-4) is obtained in the velocity measurement.
WOS关键词VELOCITY-MEASUREMENT ; INTERFEROMETRY
资助项目National Natural Science Foundation of China[11747143] ; Natural Science Foundation of Fuyang University[2017FSKJ19]
WOS研究方向Optics
语种英语
WOS记录号WOS:000441174200018
出版者ELSEVIER SCIENCE BV
资助机构National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; 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源URL[http://ir.hfcas.ac.cn:8080/handle/334002/37748]  
专题合肥物质科学研究院_中科院安徽光学精密机械研究所
通讯作者Wu, Shan
作者单位1.Fuyang Normal Univ, Dept Phis Lab Funct Mat & Device Informat, Fuyang 236037, Peoples R China
2.Chinese Acad Sci, Anhui Inst Opt & Fine Mech, Key Lab Environm Opt & Technol, Hefei 230031, Anhui, Peoples R China
3.Chinese Acad Sci, Inst Urban Environm, Ctr Excellence Reg Atmospher Environm, Xiamen 361021, Peoples R China
推荐引用方式
GB/T 7714		 Sun, Wu,Gui, Huaqiao,Zhang, Peng,et al. Measuring millimeter-scale distances in a laser self-mixing velocimeter with low-speed wavelength modulation[J]. OPTICS COMMUNICATIONS,2018,427:107-111.
APA Sun, Wu,Gui, Huaqiao,Zhang, Peng,Wu, Shan,Li, Zhen,&Zhang, Kaiyin.(2018).Measuring millimeter-scale distances in a laser self-mixing velocimeter with low-speed wavelength modulation.OPTICS COMMUNICATIONS,427,107-111.
MLA Sun, Wu,et al."Measuring millimeter-scale distances in a laser self-mixing velocimeter with low-speed wavelength modulation".OPTICS COMMUNICATIONS 427(2018):107-111.

入库方式： OAI收割

来源：合肥物质科学研究院

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