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Proceedings Paper

Coherent super-position of multiple beams in a large mode area fiber
Author(s): Joseph W. Haus; Long Wang; Peter E. Powers; Andrew M. Sarangan
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Paper Abstract

We examine through simulation and experiments the operation of multi-mode-optical fiber that reimages a periodic input optical pattern. Besides the observation of a partial Talbot self-imaging effect we also find a recurrence effect due to the core/cladding boundary of the optical fiber. We use the beam propagation method to simulate diffraction and refraction of light in the optical fiber device. The details of the device are described and its optical properties using a close-packed hexagonally-shaped array of apertures placed at regular positions on a triangular lattice are examined. Our simulations identify the optimal length of the Multi-mode fiber to get high fidelity self-image. Experiments are performed to validate the simulation results.

Paper Details

Date Published: 3 May 2013
PDF: 11 pages
Proc. SPIE 8775, Micro-structured and Specialty Optical Fibres II, 87750G (3 May 2013); doi: 10.1117/12.2018765
Show Author Affiliations
Joseph W. Haus, Univ. of Dayton (United States)
Long Wang, Univ. of Dayton (United States)
Peter E. Powers, Univ. of Dayton (United States)
Andrew M. Sarangan, Univ. of Dayton (United States)

Published in SPIE Proceedings Vol. 8775:
Micro-structured and Specialty Optical Fibres II
Kyriacos Kalli; Jiri Kanka; Alexis Mendez, Editor(s)

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