Accurate Length Measurement of Meter Bar with Helium-Neon Laser
- 25 December 1964
- journal article
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 146 (3652) , 1672-1673
- https://doi.org/10.1126/science.146.3652.1672
Abstract
A helium-neon gas laser has been successfully used in conjunction with an automatic fringe-counting interferometer to measure the length of a meter bar. The agreement obtained was 7 parts in 100 million with respect to the assigned length of the bar.Keywords
This publication has 1 reference indexed in Scilit:
- Lasers for Length MeasurementScience, 1964