NASA NTRS · 19730050609
Laser ranging system with 1-cm resolution.
Abstract
A laser ranging system has been developed in which an image converter tube equipped with deflection plates is used to make a precise measurement of the fractional amount by which the time of flight of the ranging pulse exceeds an integral multiple N of the period of a stable oscillator. The value of N is determined in an auxiliary measurement. In short-range tests with a laboratory breadboard version of the system, time-of-flight uncertainties of about 45 psec were observed. The corresponding uncertainty in a range measurement is smaller than 7 mm.
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Golden, K. E., Kind, D. E., Leonard, S. L., Ward, R. C.. 1973-07-01. Laser ranging system with 1-cm resolution.. https://ntrs.nasa.gov/citations/19730050609
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