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Updated: May 31, 2026

Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities
Published on: November 30, 2012
Avoided crossings in photonic crystal fibers
Florian Jansen1, Fabian Stutzki, Cesar Jauregui
1Institute of Applied Physics, Friedrich-Schiller-Universität Jena, Jena, Germany. jansen@iap.uni-jena.de
Abstract:
The impact of avoided crossings (also known as anti-crossings) in single and double-clad large mode area Photonic Crystal Fibers (PCFs) suitable for high-power laser systems is evaluated numerically. It is pointed out that an inappropriate choice of pump core diameter, bending radius and/or index depression may lead to avoided crossings that manifest themselves in unwanted deformations of the output beam.
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