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Proceedings Paper

Cross-correlated imaging of distributed mode filtering rod fiber
Author(s): Marko Laurila; Roman Barankov; Mette M. Jørgensen; Sidsel R. Petersen; Thomas T. Alkeskjold; Jes Broeng; Jesper Lægsgaard; Siddharth Ramachandran
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Paper Abstract

We analyze the modal properties of an 85μm core distributed mode filtering rod fiber using cross-correlated (C2) imaging. We evaluate suppression of higher-order modes (HOMs) under severely misaligned mode excitation and identify a single-mode regime where HOMs are suppressed by more than 20dB.

Paper Details

Date Published: 26 February 2013
PDF: 7 pages
Proc. SPIE 8601, Fiber Lasers X: Technology, Systems, and Applications, 86010K (26 February 2013); doi: 10.1117/12.2002808
Show Author Affiliations
Marko Laurila, Technical Univ. of Denmark (Denmark)
NKT Photonics A/S (Denmark)
Roman Barankov, Boston Univ. (United States)
Mette M. Jørgensen, Technical Univ. of Denmark (Denmark)
Sidsel R. Petersen, Technical Univ. of Denmark (Denmark)
Thomas T. Alkeskjold, NKT Photonics A/S (Denmark)
Jes Broeng, Technical Univ. of Denmark (Denmark)
NKT Photonics A/S (Denmark)
Jesper Lægsgaard, Technical Univ. of Denmark (Denmark)
Siddharth Ramachandran, Boston Univ. (United States)


Published in SPIE Proceedings Vol. 8601:
Fiber Lasers X: Technology, Systems, and Applications
Sami T. Hendow, Editor(s)

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