Fresnel diffraction on the edge of causality
- 15 September 2000
- journal article
- Published by Optica Publishing Group in Optics Letters
- Vol. 25 (18) , 1316-1318
- https://doi.org/10.1364/ol.25.001316
Abstract
Taking advantage of the slow optical response of low-temperature rare earth ion–doped crystal, we explore the similarity between causality and Fresnel diffraction by a straight edge. We relate these features to spectral resolution and selectivity. The concept is illustrated with experimental data.Keywords
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