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  • Title: Coherence holography by achromatic 3-D field correlation of generic thermal light with an imaging Sagnac shearing interferometer.
    Author: Naik DN, Ezawa T, Singh RK, Miyamoto Y, Takeda M.
    Journal: Opt Express; 2012 Aug 27; 20(18):19658-69. PubMed ID: 23037018.
    Abstract:
    We propose a new technique for achromatic 3-D field correlation that makes use of the characteristics of both axial and lateral magnifications of imaging through a common-path Sagnac shearing interferometer. With this technique, we experimentally demonstrate, for the first time to our knowledge, 3-D image reconstruction of coherence holography with generic thermal light. By virtue of the achromatic axial shearing implemented by the difference in axial magnifications in imaging, the technique enables coherence holography to reconstruct a 3-D object with an axial depth beyond the short coherence length of the thermal light.
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