Simultaneous ranging and velocimetry of fast moving targets using oppositely chirped pulses from a mode-locked laser


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Piracha M. U. , Dat Nguyen D. N. , ÖZDÜR İ. T. , Delfyett P. J.

OPTICS EXPRESS, cilt.19, no.12, ss.11213-11219, 2011 (SCI İndekslerine Giren Dergi)

  • Cilt numarası: 19 Konu: 12
  • Basım Tarihi: 2011
  • Doi Numarası: 10.1364/oe.19.011213
  • Dergi Adı: OPTICS EXPRESS
  • Sayfa Sayısı: ss.11213-11219

Özet

A lidar system based on the coherent detection of oppositely chirped pulses generated using a 20 MHz mode locked laser and chirped fiber Bragg gratings is presented. Sub millimeter resolution ranging is performed with > 25 dB signal to noise ratio. Simultaneous, range and Doppler velocity measurements are experimentally demonstrated using a target moving at > 330 km/h inside the laboratory. (C) 2011 Optical Society of America