Proposal for the determination of the complex degree of spatial coherence
- 1 October 1977
- journal article
- Published by Optica Publishing Group in Optics Letters
- Vol. 1 (4) , 133-134
- https://doi.org/10.1364/ol.1.000133
Abstract
With the help of a folded-wavefront type of interferometer, a sinusoidally phase-modulated wavefront can be superposed in parallel on another nonmodulated inverse wavefront. Spatial coherence is related to the fundamental and second-harmonic components of the modulation frequency included in the resultant intensity.Keywords
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