15 October 2012 Enhancement of pumping efficiency in 8-core double-clad optical fiber doped with Nd3+
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Proceedings Volume 8454, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2012; 845413 (2012) https://doi.org/10.1117/12.2000136
Event: Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2012, 2012, Wilga, Poland
Abstract
In the paper design and experimental study on manufacturing 8 - core double- clad optical fiber doped with Nd3+ were presented. Basing on ray tracing model the analysis of pumping efficiency in the 8 - core double - clad optical fiber was performed. The influence of constructional parameters of optical fiber on the laser beam quality of multicore fiber laser was analyzed. I was noticed that pumping efficiency of the fabricated 8 - core optical fiber is several times larger than in single core double – clad optical fiber. The maximum absorption at 808 nm band amounts to 4.5 dB/m. Manufactured multicore fiber doped with Nd3+ is characterized by strong luminescence at 1060 nm. In result of pump absorption optimization enhancement of pumping efficiency of produced 8- core double - clad optical fiber was attained.
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Marcin Kochanowicz, Dominik Dorosz, Jacek Żmojda, Piotr Miluski, Jan Dorosz, "Enhancement of pumping efficiency in 8-core double-clad optical fiber doped with Nd3+", Proc. SPIE 8454, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2012, 845413 (15 October 2012); doi: 10.1117/12.2000136; https://doi.org/10.1117/12.2000136
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