R.V. Pole, H. Wieder, et al.
Applied Physics Letters
Paper
Compact high-accuracy wavemeter
Abstract
A new fringe-counting wavemeter based on a compact spherical interferometer is described. We demonstrate a sub-Doppler accuracy of ±1 part in 107 by introducing a Vernierlike coincidence concept that takes advantage of the high finesse of the multiple-beam interferometer. © 1980, Optical Society of America.
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