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High-resolution Ranging of a Diffuse Target at Sub-Millisecond Intervals with a Calibrated FMCW Lidar

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Abstract

We demonstrate a FMCW Lidar with a frequency-calibrated laser modulated over 1 THz at ~1 kHz modulation frequency. Range to a diffuse target is measured at 0.5 ms intervals with 150 µm resolution and ~1 µm precision.

© 2012 Optical Society of America

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