Abstract
The Wave Propagation Laboratory of the Environmental Research Laboratories of the National Oceanic and Atmospheric Administration has been engaged in the development of dual-wavelength, optical distance-measuring instruments. Recently a new generation of this type of high-accuracy instrument has been completed. Preliminary testing of the new instrument indicates that the original goal of the project, accuracy of better than one part in a million over distances of 5–10 km using averaging times of less than 1 min, is being met. This paper describes the instrument and preliminary test results.
© 1972 Optical Society of America
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E. Norman Hernandez
Appl. Opt. 11(3) 609-612 (1972)
William D. Ross
Appl. Opt. 11(9) 1916-1918 (1972)
M. Subramanian
J. Opt. Soc. Am. 62(5) 677-681 (1972)