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Chin. Phys. B, 2016, Vol. 25(7): 074207    DOI: 10.1088/1674-1056/25/7/074207
ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS Prev   Next  

Ultra-low power anti-crosstalk collision avoidance light detection and ranging using chaotic pulse position modulation approach

Jie Hao(郝杰), Ma-li Gong(巩马理), Peng-fei Du(杜鹏飞), Bao-jie Lu(卢宝杰), Fan Zhang(张帆), Hai-tao Zhang(张海涛), Xing Fu(付星)
Center for Photonics and Electronics, Department of Precision Instrument, Tsinghua University, Beijing 100084, China
Abstract  A novel concept of collision avoidance single-photon light detection and ranging (LIDAR) for vehicles has been demonstrated, in which chaotic pulse position modulation is applied on the transmitted laser pulses for robust anti-crosstalk purposes. Besides, single-photon detectors (SPD) and time correlated single photon counting techniques are adapted, to sense the ultra-low power used for the consideration of compact structure and eye safety. Parameters including pulse rate, discrimination threshold, and number of accumulated pulses have been thoroughly analyzed based on the detection requirements, resulting in specified receiver operating characteristics curves. Both simulation and indoor experiments were performed to verify the excellent anti-crosstalk capability of the presented collision avoidance LIDAR despite ultra-low transmitting power.
Keywords:  collision avoidance      chaotic pulse position modulation      time-correlated single photon counting      anti-crosstalk  
Received:  11 January 2016      Revised:  23 February 2016      Published:  05 July 2016
PACS:  42.79.Qx (Range finders, remote sensing devices; laser Doppler velocimeters, SAR, And LIDAR)  
  42.68.Wt (Remote sensing; LIDAR and adaptive systems)  
  42.66.Lc (Vision: light detection, adaptation, and discrimination)  
Fund: Project supported by Tsinghua University Initiative Scientific Research Program, China (Grant No. 2014z21035).
Corresponding Authors:  Hai-tao Zhang, Xing Fu     E-mail:  zhanghaitao@mail.tsinghua.edu.cn;fuxing@mail.tsinghua.edu.cn

Cite this article: 

Jie Hao(郝杰), Ma-li Gong(巩马理), Peng-fei Du(杜鹏飞), Bao-jie Lu(卢宝杰), Fan Zhang(张帆), Hai-tao Zhang(张海涛), Xing Fu(付星) Ultra-low power anti-crosstalk collision avoidance light detection and ranging using chaotic pulse position modulation approach 2016 Chin. Phys. B 25 074207

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