White-light continuum as a low-coherence light source for interferometry and its applications to dispersive coherence spectrotomography

Kazuyoshi Itoh; Wataru Watanabe

doi:10.1117/12.357735

13 August 1999 White-light continuum as a low-coherence light source for interferometry and its applications to dispersive coherence spectrotomography

Kazuyoshi Itoh, Wataru Watanabe

Author Affiliations +

Proceedings Volume 3744, Interferometry '99: Techniques and Technologies; (1999) https://doi.org/10.1117/12.357735
Event: International Conference on Optical Metrology, 1999, Pultusk Castle, Poland

Abstract

The wide bandwidth of white-light has long been utilized for various interferometric measurements. We recently proposed dispersive coherence spectrotomography with white-light continuum to extract both range and spectral properties inside a medium. The principle of dispersive coherence spectrotomography is based on an optically spectral decomposition of the white-light interferograms. The main feature is that the dispersive coherence spectrotomography has the high dynamic range in depth and high signal-to-noise ratio making the most of extreme brightness of the white- light continuum. The white-light continuum is a new type of a broad-band and bright light source that is generated by focusing ultra-short and high-energy laser pulses into condensed media or gases. We present our experimental results related to the coherence properties of the white- light continuum and its applications to dispersive coherence spectrotomography of a multi-layered system of colored media.

Citation Download Citation

Kazuyoshi Itoh and Wataru Watanabe "White-light continuum as a low-coherence light source for interferometry and its applications to dispersive coherence spectrotomography", Proc. SPIE 3744, Interferometry '99: Techniques and Technologies, (13 August 1999); https://doi.org/10.1117/12.357735

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