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Updated: May 24, 2026

Multimodal Imaging and Spectroscopy Fiber-bundle Microendoscopy Platform for Non-invasive, In Vivo Tissue Analysis
Published on: October 17, 2016
Complete measurement of fiber modal content by wavefront analysis
Mathieu Paurisse1, Louis Lévèque, Marc Hanna
1Laboratoire Charles Fabry, Institut d’Optique, CNRS, Univ Paris-Sud, RD128 Palaiseau Cedex, France. mathieu.paurisse@polytechnique.edu
Abstract:
We propose and demonstrate the use of a wavefront analyzer based on lateral shearing interferometry to characterize the modal content of multimode fibers. This wavefront measurement technique is applied to large mode area fibers, and allows us to recover both the intensity and relative phase of each guided mode. This constitutes an innovative complete characterization of the beam, and might be used as a probe in deterministic active wavefront correction techniques.
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