A digital interferometer for wavelength measurement
- 1 February 1980
- journal article
- Published by IOP Publishing in Journal of Physics E: Scientific Instruments
- Vol. 13 (2), 174-177
- https://doi.org/10.1088/0022-3735/13/2/016
Abstract
A simple fringe-counting interferometer for laser wavelength measurement is described. Measured values of the wavelengths of several helium-neon, argon and krypton laser lines, stabilised by saturated absorption in iodine vapour, are presented, with uncertainties of two parts in 108 (99% confidence).Keywords
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