Abstract
ROGERS'S1 elementary explanation of Gabor's2 technique for microscopy treats the hologram as a generalized Fresnel zone plate. I have used this idea for deriving a resolution criterion. Two point objects separated by a distance y produce two Fresnel zone patterns at the hologram with centres separated by a distance z, where z = pay/(Pa − qa), if Pa and qa are the distances from the illuminating point source of wave-length λa to the hologram film and from the film to the object, respectively. The subscript a refers to parameters of the ‘analysis’ while r will refer to the ‘reconstruction’.
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References
Rogers, G. L., Nature, 166, 237 (1950).
Gabor, D., Proc. Roy. Soc., A, 197, 454 (1949).
Myers, jun., Ora E., Amer. J. Phys., 19, 359 (1951).
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BAEZ, A. Resolving Power in Diffraction Microscopy with Special Reference to X-Rays. Nature 169, 963–964 (1952). https://doi.org/10.1038/169963b0
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DOI: https://doi.org/10.1038/169963b0
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