NASA NTRS · 19740045837
Zone plate interferometer
Abstract
A developed form of the Fresner zone-plate interferometer is described. Three basic configurations are distinguished, associated with the real and virtual first order foci of a zone plate. Related versions and higher order variants are also educed. Compensated phase zone plates used in this application are found to produce uniform amplitude wavefronts. The properties of the interferometer in this form are discussed and an example given of its high-quality performance.
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Smartt, R. N.. 1974-05-01. Zone plate interferometer. https://ntrs.nasa.gov/citations/19740045837
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