New Laser Doppler Velocimetry with Wide Dynamic Range and Clear Directional Discrimination
GUI Hua-Qiao, Lü Liang, HE De-Yong, XU Jun, XIE Jian-Ping, ZHAO Tian-Peng, WANG An-Ting, MING Hai
Department of Physics, University of Science and Technology of China, Hefei 230026
New Laser Doppler Velocimetry with Wide Dynamic Range and Clear Directional Discrimination
GUI Hua-Qiao;Lü Liang;HE De-Yong;XU Jun; XIE Jian-Ping;ZHAO Tian-Peng;WANG An-Ting; MING Hai
Department of Physics, University of Science and Technology of China, Hefei 230026
关键词 ：
07.07.Df ,
42.55.Px ,
42.79.Qx
Abstract ： We present a new laser Doppler velocimetry based on self-mixing effect using a single longitudinal-mode vertical-cavity surface-emitting laser modulated by a dynamic triangular current. It can indicate the direction of velocity without ambiguity in a wide dynamic range of 5.2--479.9mm/s. The accuracy of velocity measurement is better than 3.1% in the whole velocity range when a diffusing target is used for measurements. More interestingly, it works very well on different diffusing surfaces, even on a black glossy photographic paper.
Key words ：
07.07.Df
42.55.Px
42.79.Qx
出版日期: 2005-06-01
:
07.07.Df
(Sensors (chemical, optical, electrical, movement, gas, etc.); remote sensing)
42.55.Px
(Semiconductor lasers; laser diodes)
42.79.Qx
(Range finders, remote sensing devices; laser Doppler velocimeters, SAR, And LIDAR)
引用本文:
GUI Hua-Qiao;Lü Liang;HE De-Yong;XU Jun; XIE Jian-Ping;ZHAO Tian-Peng;WANG An-Ting; MING Hai. New Laser Doppler Velocimetry with Wide Dynamic Range and Clear Directional Discrimination[J]. 中国物理快报, 2005, 22(6): 1344-1346.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y2005/V22/I6/1344
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