Abstract
Multiple-beam interferometry at a range of frequencies is used in a device for testing optical flats to 0. 01 wavelength or better.
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References
D. R. Herriott, JOSA, 51, 1142, 1961.
G. S. Landsberg, Optics [in Russian], GITTL, Moscow, 1952.
G. V. Rozenberg, Optics of Thin Films [in Russian], Fizmatgiz, Moscow, 1958.
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Berezhinskii, L.I., Lisitsa, L.P. Quality control for optically flat surfaces. J Appl Spectrosc 2, 263–266 (1965). https://doi.org/10.1007/BF00656790
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DOI: https://doi.org/10.1007/BF00656790