Range resolved lidar for long distance ranging with sub-millimeter resolution
MU Piracha, D Nguyen, D Mandridis, T Yilmaz… - Optics express, 2010 - opg.optica.org
Optics express, 2010•opg.optica.org
A lidar technique employing temporally stretched, frequency chirped pulses from a 20 MHz
mode locked laser is presented. Sub-millimeter resolution at a target range of 10.1 km (in
fiber) is observed. A pulse tagging scheme based on phase modulation is demonstrated for
range resolved measurements. A carrier to noise ratio of 30 dB is observed at an
unambiguous target distance of 30 meters in fiber.
mode locked laser is presented. Sub-millimeter resolution at a target range of 10.1 km (in
fiber) is observed. A pulse tagging scheme based on phase modulation is demonstrated for
range resolved measurements. A carrier to noise ratio of 30 dB is observed at an
unambiguous target distance of 30 meters in fiber.
A lidar technique employing temporally stretched, frequency chirped pulses from a 20 MHz mode locked laser is presented. Sub-millimeter resolution at a target range of 10.1 km (in fiber) is observed. A pulse tagging scheme based on phase modulation is demonstrated for range resolved measurements. A carrier to noise ratio of 30 dB is observed at an unambiguous target distance of 30 meters in fiber.
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