Abstract

Abstract : We have demonstrated a target ranging and identification technique based upon timing-modulation of a mode-locked laser coupled with a fast detector. Range -to-target and target depth information have been determined, with a resolution of better than 25 cm at signal-to-noise ratios below 0.01. Modeling suggests that laser average power requirements remain a challenge, with upward of 100 W likely needed for extension of this technique to ranges over 10 km, but improvements in overall system throughput would allow realization of its potential.

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