We report on a modified version of our previous moving mirror wavelength measuring interferometer. Its accuracy has been experimentally confirmed to one part in 10<sup>8</sup>. The device is simple and seems ideally suited for cw lasers.
© 1978 Optical Society of America
F. V. Kowalski, R. E. Teets, W. Demtröder, and A. L. Schawlow, "An improved wavemeter for cw lasers," J. Opt. Soc. Am. 68, 1611-1613 (1978)