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Analytical model for diode-to-fiber coupling and beam propagation in weakly guiding fibers

 
: Neumann, A.; Giesberts, M.; Witte, U.; Fitzau, O.; Hoffmann, H.-D.

:

Institute of Electrical and Electronics Engineers -IEEE-; IEEE Photonics Society:
High Power Diode Lasers and Systems Conference, HDP 2017. Proceedings : Co-located with Photonex 2017, Ricoh Arena, Coventry, United Kingdom, 11th and 12th October 2017
Piscataway, NJ: IEEE, 2017
ISBN: 978-1-5386-3262-8 (Print)
ISBN: 978-1-5386-3264-2
ISBN: 978-1-5386-3263-5
S.35-36
High Power Diode Lasers and Systems Conference (HPD) <9, 2017, Coventry>
Englisch
Konferenzbeitrag
Fraunhofer ILT ()

Abstract
We present an analytical model for diode-to-fiber coupling which allows us to simulate the coupling efficiency, possible losses and even predict qualitatively the intensity distribution at the exit facet of the fiber. The simulated results are presented and compared to experimental data and the theoretical results of a ray tracing program. The comparison focuses on a few-modes weakly guiding fiber and the differences between wave optical and geometric optical models.

: http://publica.fraunhofer.de/dokumente/N-487446.html