Abstract
IN a recent communication, Hough and Goldsmith1 have described a method of increasing the sharpness of interference fringes by high-contrast photography with controlled exposure. Although the technique does not appear to be widely known and I have no knowledge of any published material on the subject, the method is not new and has been in use here for a number of years.
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References
Hough and Goldsmith, Nature, 172, 1105 (1953).
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BROWN, D. Use of High Contrast in the Photography of Interference Fringes. Nature 173, 443 (1954). https://doi.org/10.1038/173443a0
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DOI: https://doi.org/10.1038/173443a0
