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Proceedings Paper

Microscopy with multimode fibers
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Paper Abstract

Microscopes are usually thought of comprising imaging elements such as objectives and eye-piece lenses. A different type of microscope, used for endoscopy, consists of waveguiding elements such as fiber bundles, where each fiber in the bundle transports the light corresponding to one pixel in the image. Recently a new type of microscope has emerged that exploits the large number of propagating modes in a single multimode fiber. We have successfully produced fluorescence images of neural cells with sub-micrometer resolution via a 200 micrometer core multimode fiber. The method for achieving imaging consists of using digital phase conjugation to reproduce a focal spot at the tip of the multimode fiber. The image is formed by scanning the focal spot digitally and collecting the fluorescence point by point.

Paper Details

Date Published: 23 May 2013
PDF: 5 pages
Proc. SPIE 8792, Optical Methods for Inspection, Characterization, and Imaging of Biomaterials, 879219 (23 May 2013); doi: 10.1117/12.2021563
Show Author Affiliations
Christophe Moser, Ecole Polytechnique Fédérale de Lausanne (Switzerland)
Ioannis Papadopoulos, Ecole Polytechnique Fédérale de Lausanne (Switzerland)
Salma Farahi, Ecole Polytechnique Fédérale de Lausanne (Switzerland)
Demetri Psaltis, Ecole Polytechnique Fédérale de Lausanne (Switzerland)


Published in SPIE Proceedings Vol. 8792:
Optical Methods for Inspection, Characterization, and Imaging of Biomaterials
Pietro Ferraro; Monika Ritsch-Marte; Simonetta Grilli; David Stifter, Editor(s)

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