The process of in-line Fraunhofer holography of particles is studied by an analysis of the four terms in the reconstructed field. Specific results are discussed for objects with circular cross section. The image shape and contrast are described in detail. The study is particularly useful when the recording is performed at a few far fields. It has been found that the recording at a higher far field is better due to a higher image-to-background irradiance ratio at the edges of the reconstructed image.
© 1984 Optical Society of America
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