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Proceedings Paper

Measurement of local polarization for multi-mode photonic crystal fibers
Author(s): Oliver A. Schmidt; Christian Schulze; Daniel Flamm; Michael Duparré
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Paper Abstract

Photonic crystal fibers allow the guidance of an advisedly chosen number of modes and a simultaneous realization of large mode areas that are essential for high power fiber lasers. The occurring multi-mode beams have spatially inhomogeneous polarization (e.g. radially polarized light), which is significant for several fiber laser applications. We report on a measurement technique to determine this local property using a modal polarization analysis based on a rapid Stokes parameter measurement combined with a computer-generated hologram. We use this method to obtain and visualize spatially varying polarization ellipses as well as modal polarization states depending on the input polarization.

Paper Details

Date Published: 10 February 2011
PDF: 9 pages
Proc. SPIE 7914, Fiber Lasers VIII: Technology, Systems, and Applications, 79142E (10 February 2011); doi: 10.1117/12.874596
Show Author Affiliations
Oliver A. Schmidt, Friedrich-Schiller-Univ. Jena (Germany)
Christian Schulze, Friedrich-Schiller-Univ. Jena (Germany)
Daniel Flamm, Friedrich-Schiller-Univ. Jena (Germany)
Michael Duparré, Friedrich-Schiller-Univ. Jena (Germany)

Published in SPIE Proceedings Vol. 7914:
Fiber Lasers VIII: Technology, Systems, and Applications
Jay W. Dawson, Editor(s)

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