Aberrations of the point spread function of a multimode fiber due to partial mode excitation

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Abstract

We investigate the point spread function of a multimode fiber. The distortion of the focal spot created on the fiber output facet is studied for a variety of the parameters. We develop a theoretical model of wavefront shaping through a multimode fiber and use it to confirm our experimental results and analyze the nature of the focal distortions. We show that aberration-free imaging with a large field of view can be achieved by using an appropriate number of segments on the spatial light modulator during the wavefront-shaping procedure. The results describe aberration limits for imaging with multimode fibers as in, e.g., microendoscopy.
Original languageEnglish
Pages (from-to)18501-18512
JournalOptics express
Volume24
Issue number16
DOIs
Publication statusPublished - 3 Aug 2016

Keywords

  • IR-101731
  • METIS-318246

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