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5 February 2008 Advanced vapor-doping all-glass double-clad fibers
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We review the advanced attributes of double-clad optical fibers made by the Yb/Al-vapor-doped OVD (outside-vapor-deposition) method developed at Corning Incorporated. The method is characteristically completely synthetic in nature, which allows fiber composition flexibility for both the core and the claddings. Consequently, it has enabled some highly desirable fiber features, such as low-NA core (< 0.05), high-NA clad (> 0.32), high Yb-doping concentration (> 1.2wt %) and ultra-low passive background-loss (~1/~3dB/km for core/innerclad @1310nm), in addition to the unique all-glass double-clad structure by additional composition engineering for the outerclad. Further, a high performance SBS-mitigated double-clad fiber is presented as an example enabled by this versatile OVD methodology.
© (2008) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Ji Wang, Stuart Gray, Donnell T. Walton, Ming-jun Li, Xin Chen, An-ping Liu, and Luis A. Zenteno "Advanced vapor-doping all-glass double-clad fibers", Proc. SPIE 6890, Optical Components and Materials V, 689006 (5 February 2008);

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