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XVI.—Two Hologram Methods in Diffraction Microscopy

Published online by Cambridge University Press:  14 February 2012

G. L. Rogers
G. L. Rogers
Affiliation:
Department of Physics, Victoria University College, Wellington, N.Z.
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Synopsis

The Bragg two-hologram method for eliminating the unwanted image in Diffraction Microscopy is here thoroughly examined. It is shown to be of general validity for objects containing both amplitude and phase-contrast terms.

Other two-hologram methods are briefly discussed. In principle any two sufficiently distinct holograms may be used, but the Bragg 2:1 focal ratio is the simplest. The pair of holograms at ±f is also of interest, since it allows moderate degrees of phase-contrast and amplitude-contrast terms in the original object to be separated. A “three-wavelength” technique for obtaining the Bragg records is briefly outlined.

Type
Research Article
Information
Proceedings of the Royal Society of Edinburgh Section A: Mathematics , Volume 64 , Issue 2 , 1954 , pp. 209 - 221
Copyright
Copyright © Royal Society of Edinburgh 1954

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References

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