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Proceedings Paper

Full-field optical coherence microscopy
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Paper Abstract

We present the new advances in full field optical coherence microscopy, an alternative method to conventional optical coherence tomography (OCT). The experimental setup is based on Linnik interferometer illuminated with a tungsten halogen lamp. En face tomographic images are obtained in real-time without scanning by computing the difference of two phase-opposed interferometric images recorded by a high-resolution CCD camera. The short coherence length of the source and the compensation of dispersion mismatch in the interferometer arms yield an optical sectioning ability with 0.8 μm resolution in water. Transverse resolution of 1.0 μm is achieved by using microscope objectives with a numerical aperture of 0.5. A shot-noise limited detection sensitivity of 86 dB can be reached with 2 s acquisition time. High-resolution images of the anterior segment of the rat eye are shown.

Paper Details

Date Published: 29 July 2004
PDF: 5 pages
Proc. SPIE 5486, ALT'03 International Conference on Advanced Laser Technologies: Biomedical Optics, (29 July 2004); doi: 10.1117/12.571464
Show Author Affiliations
Arnaud C. Dubois, LPO, Ecole Supérieure de Physique et de Chimie Industrielles and CNRS (France)
Katharine Grieve, LPO, Ecole Supérieure de Physique et de Chimie Industrielles and CNRS (France)
Gael Moneron, LPO, Ecole Supérieure de Physique et de Chimie Industrielles and CNRS (France)
Albert-Claude Boccara, LPO, Ecole Supérieure de Physique et de Chimie Industrielles and CNRS (France)


Published in SPIE Proceedings Vol. 5486:
ALT'03 International Conference on Advanced Laser Technologies: Biomedical Optics
Ruikang K. Wang; Jeremy C. Hebden; Alexander V. Priezzhev; Valery V. Tuchin, Editor(s)

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