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11 March 2016 Fabrication and investigation of active composite fibers with phosphate core and silica cladding
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Abstract
We describe composite optical fibers with rare-earth co-doped phosphate-glass core in a silica-glass cladding. High RE-ion concentrations in the phosphate core of the composite fiber allow fiber length reduction in comparison with silica fibers. The silica cladding provides high mechanical strength and protects the phosphate core from air moisture while making it easier to splice with silica fibers.
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S. L. Semjonov, O. N. Egorova, O. I. Medvedkov, M. S. Astapovich, A. G. Okrimchuk, E. M. Dianov, B. I. Denker, B. I. Galagan, and S. E. Sverchkov "Fabrication and investigation of active composite fibers with phosphate core and silica cladding", Proc. SPIE 9728, Fiber Lasers XIII: Technology, Systems, and Applications, 97281P (11 March 2016); https://doi.org/10.1117/12.2212160
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