Longitudinal coherence and interferometry in dispersive media
- 1 November 1983
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review A
- Vol. 28 (5) , 3149-3152
- https://doi.org/10.1103/physreva.28.3149
Abstract
For the nondispersive propagation of waves in one dimension, there is no essential difference between the concepts of longitudinal and temporal coherence, and these terms are often used interchangeably. For the dispersive propagation of waves, such as electrons or neutrons in vacuo, or light in a medium, this is no longer the case. We analyze the coherence properties of a dispersively propagating beam of radiation, and discuss the observation of its spatial and temporal coherence properties by means of a two-beam interferometer.Keywords
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