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Proceedings Paper

Coherence spectrotomography and white-light continuum
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Paper Abstract

The light scattered back form a scattering medium is expected to carry the range information about the reflective boundaries and backscattering sites in the medium as well as the information about their spectral reflectance. We suggested a white-light interferometry technique and signal processing algorithm for the retrieval of this kind of integral information from scattered light called coherence spectrotomography. The coherence spectrotomography is a version of low-coherence interferometry that enables us to extract both range and spectral properties inside a medium simultaneously. The white-light continuum is a new type of a broad-band and bright light source that is suited for the coherence spectrotomography. We generated the array of the white-light continuum by directing a microlens array into ultrashort laser pulses into water through a microlens array. We present our experimental results related to the coherence properties of the white-light continuum and its applications to coherence spectrotomography of a colored layer of semitransparent medium.

Paper Details

Date Published: 24 September 1999
PDF: 10 pages
Proc. SPIE 3900, 3rd International Conference on Optical Information Processing, (24 September 1999); doi: 10.1117/12.364571
Show Author Affiliations
Kazuyoshi Itoh, Osaka Univ. (Japan)
Wataru Watanabe, Osaka Univ. (Japan)


Published in SPIE Proceedings Vol. 3900:
3rd International Conference on Optical Information Processing

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