Open AccessEnhanced resolution in a multimode fiber imaging system
Author(s) -
Grégoire Laporte,
Nicolino Stasio,
Christophe Moser,
Demetri Psaltis
Publication year - 2015
Publication title -
optics express
Language(s) - Uncategorized
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.23.027484
Subject(s) - optics , multi mode optical fiber , numerical aperture , resolution (logic) , materials science , image resolution , fiber laser , optical fiber , fiber , physics , computer science , wavelength , artificial intelligence , composite material
Multimode fibers have recently been demonstrated to be a promising candidate for ultrathin and high resolution endoscopy. However, this method does not offer depth discrimination for fluorescence imaging and the numerical aperture of the fiber limits its resolution. In this paper we demonstrate optical sectioning and enhanced resolution using saturated excitation and temporal modulation. Using a continuous wave laser excitation, we demonstrate improved resolution in all three dimensions and increased image contrast by rejecting out of focus light.