An Optical Distance Measuring Instrument
- 1 March 1973
- journal article
- conference paper
- Published by AIP Publishing in Review of Scientific Instruments
- Vol. 44 (3) , 304-306
- https://doi.org/10.1063/1.1686113
Abstract
This paper describes an instrument that measures the transit time of a modulated light beam out and back over the path whose length is required. The instrument has a digital readout and an rms (1σ) accuracy of ±0.08 mm on a single measurement over ranges up to 60 m. The measurement time is 2.7 sec.Keywords
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