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Chinese Optics Letters

Chinese Optics Letters


  • Vol. 10, Iss. 2 — Feb. 10, 2012
  • pp: 022801–

1.55-µm coherent lidar based on SPA sinusoidal frequency demodulation techniques

Dezhao Yang, Ningfang Song, Zhili Lin, Pan Ou, Yudong Jia, and Mingjie Sun  »View Author Affiliations

Chinese Optics Letters, Vol. 10, Issue 2, pp. 022801- (2012)

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A 1.55-µm all-solid frequency-modulated continuous-wave (FMCW) coherent lidar based on the sinusoidal frequency demodulation technique for range and velocity measurement is presented. Both the nonlinearity of linear modulation waveform and the difficulty in measuring the frequency of sinusoidal modulation system are circumvented by utilizing segmental-processing-average (SPA) techniques. The results demonstrate that the resolutions of range and velocity measurement are better than 2 mm and 0.1 mm/s, respectively. The system has numerous practical and potential applications in space missions.

© 2012 Chinese Optics Letters

OCIS Codes
(030.1670) Coherence and statistical optics : Coherent optical effects
(260.3160) Physical optics : Interference
(280.3400) Remote sensing and sensors : Laser range finder
(280.3640) Remote sensing and sensors : Lidar

Dezhao Yang, Ningfang Song, Zhili Lin, Pan Ou, Yudong Jia, and Mingjie Sun, "1.55-µm coherent lidar based on SPA sinusoidal frequency demodulation techniques," Chin. Opt. Lett. 10, 022801- (2012)

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