- A photon-counting time-of-flight ranging technique developed for the avoidance of range ambiguity at gigahertz clock ratesPhilip A Hiskett
School of Engineering and Physical Sciences, Heriot Watt University, Riccarton, Edinburgh, UK
Opt Express 16:13685-98. 2008..The paper describes experiments in laboratory and in free space at over several hundred meters range at clock frequencies of 1GHz. Unambiguous photon-counting range-finding is demonstrated with centimeter accuracy...