Advanced Search
LIU Bing, TAO Wei, KE Zungui, FENG Litian, YUAN Fei, LI Xiaofeng. Balance coherent detection technology of coherent lidar[J]. LASER TECHNOLOGY, 2015, 39(1): 46-49. DOI: 10.7510/jgjs.issn.1001-3806.2015.01.009
Citation: LIU Bing, TAO Wei, KE Zungui, FENG Litian, YUAN Fei, LI Xiaofeng. Balance coherent detection technology of coherent lidar[J]. LASER TECHNOLOGY, 2015, 39(1): 46-49. DOI: 10.7510/jgjs.issn.1001-3806.2015.01.009

Balance coherent detection technology of coherent lidar

More Information
  • Received Date: December 10, 2013
  • Revised Date: March 23, 2014
  • Published Date: January 24, 2015
  • In order to analyze the influence factors of signal-to-noise ratio(SNR) of balanced coherent detection, balanced coherent detection process was studied and the SNR formula was derived based on the mathematical model. A balanced laser detector for signal receiving was developed, and Mie scattering echo signal of aerosol particles was detected by means of the coherent radar prototype. The results show that balanced laser detector is with very low noise and high sensitivity, and can detect the laser echo signal of Mie scattering of aerosol particles.
  • [1]
    DAI Y J. The principle of lidar[M].Beijing:National Defence Industry Press, 2002:256-280(in Chinese).
    [2]
    LIU Zh Sh, WANG Zh J, WU S H, et al. Fine measuring technique and application for sea surface wind by mobile Doppler wind lidar[J]. Optical Engineering, 2009, 48(6): 066002.
    [3]
    CAIOU J P, VALLLA M, CANAT G, et al. New effective sources for coherent lidars[J]. Proceedings of the SPIE, 2007, 6750:675007.
    [4]
    PEARSON G N, EACOCK J R. A fiber-based coherent Doppler lidar for atmospheric minitoring[J]. Proceedings of the SPIE,2002,4484:51-57.
    [5]
    LINELOW P. Fiber based coherent lidars for remote wind sensing[D]. Copenhagen, Denmark:Technical University of Denmark, 2007:31-72.
    [6]
    KAMEYAMA S, ANDO T, ASAKA K, et al. Compact all-fiber pulse coherent Doppler lidar system for wind sensing[J]. Appled Optics, 2007, 46(11):1953-1962.
    [7]
    GAO L, WANG Ch H, LI Y Ch, et al. Balance coherent detect experiment of 1.55m wind lidar[J].Acta Photonica Sinica, 2010, 39(6):1064-1069(in Chinese).
    [8]
    ASAKA K, TAKAYUKI Y, YOSHIHIT O H. 1.5m eye safe coherent lidar system for wind velocity measurement[J]. Proceedings of the SPIE, 2001,4153:321-328.
    [9]
    FINK D. Coherent detection signal-to-noise[J]. Applied Optics, 1975,14(3): 689-690.
    [10]
    JOSHI A, BECKER D, DATTA Sh. Low noise InGaAs balanced pin photo-receiver for space based remote sensing applications at 2 micron wave length[J]. Proceedings of the SPIE, 2008,7095:1-8.
  • Related Articles

    [1]NING Guiyi, FU Gui, SHI Meng, FU Yongdong, MA Rende, SU Fufang. Fabrication of optical fiber U-shaped microstructure by femtosecond laser and its application in refractive index sensing[J]. LASER TECHNOLOGY, 2017, 41(6): 916-920. DOI: 10.7510/jgjs.issn.1001-3806.2017.06.029
    [2]QUE Ruyue, LIU Yi, SUN Huihui, QU Shiliang. Refractive index sensor based on F-P interferometer cavity in optical fiber with double-openings[J]. LASER TECHNOLOGY, 2014, 38(6): 780-784. DOI: 10.7510/jgjs.issn.1001-3806.2014.06.012
    [3]YU Wenfang, HUANG Zuohua, ZHOU Jinzhao, LI Huaxin. Measurement of the refractive indexes of glacial acetic acid and alcohol by means of total reflection[J]. LASER TECHNOLOGY, 2014, 38(2): 161-164. DOI: 10.7510/jgjs.issn.1001-3806.2014.02.004
    [4]GUO Zeqin, SHI Yanchao, ZHAO Peixi, HU Bitao. Measurement of refractive index of K9 glass with the third-order harmonic method[J]. LASER TECHNOLOGY, 2014, 38(1): 128-131. DOI: 10.7510/jgjs.issn.1001-3806.2014.01.028
    [5]PAN Zhi-yong, REN Jun-jiang, HUANG Jian-ping, HE Yao-ji, GU Shao-yi, XING Mei-shu. A double clad Yb-doped fiber in a new refractive index profile[J]. LASER TECHNOLOGY, 2009, 33(5): 558-560. DOI: 10.3969/j.issn.1001-3806.2009.05.033
    [6]LI Guo-liang, SONG Lian-ke, HAO Dian-zhong, ZHOU Wen-ping, FAN Kai-min. Sensitivity of rhomb-type phase retarders to the input angle[J]. LASER TECHNOLOGY, 2008, 32(2): 157-158,162.
    [7]FENG Wei-wei, SONG Lian-ke, CHEN Li-gang. The study of the relation between circularly polarized light’s refractive rate and wavelength[J]. LASER TECHNOLOGY, 2004, 28(6): 639-640,644.
    [8]Hao Dianzhong, Wu Fuquan, Kong Weijin. Measurement of refractive index of crystals with interferometry[J]. LASER TECHNOLOGY, 2003, 27(5): 407-408.
    [9]Wang Xia, Wu Fuquan, Shao Weidong. A fresnel rhomb type phase retarder insensitive to the incident angle[J]. LASER TECHNOLOGY, 2000, 24(1): 27-30.
    [10]Xu Hao, Shen Hongyuan, Zeng Zhengdong. Expressions of thermal refractive index coefficients for Ti:Mg:LiNbO3 crystal[J]. LASER TECHNOLOGY, 1995, 19(1): 19-25.

Catalog

    Article views (2) PDF downloads (8) Cited by()

    /

    DownLoad:  Full-Size Img  PowerPoint
    Return
    Return