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Proceedings Paper

Nanoparticle doping for improved Er-doped fiber lasers
Author(s): Colin C. Baker; E. Joseph Friebele; Charles G. Askins; Michael P. Hunt; Barbara A. Marcheschi; Jake Fontana; John R. Peele; Woohong Kim; Jasbinder Sanghera; Jun Zhang; Radha K. Pattnaik; Larry D. Merkle; Mark Dubinskii; Youming Chen; Iyad A. Dajani; Cody Mart
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Paper Abstract

A nanoparticle (NP) doping technique was used for making erbium-doped fibers (EDFs) for high energy lasers. The nanoparticles were doped into the silica soot of preforms, which were drawn into fibers. The Er luminescence lifetimes of the NP-doped cores are longer than those of corresponding solution-doped silica, and substantially less Al is incorporated into the NP-doped cores. Optical-to-optical slope efficiencies of greater than 71% have been measured. Initial investigations of stimulated Brillouin scattering (SBS) have indicated that SBS suppression is achieved by NP doping, where we observed a low intrinsic Brillouin gain coefficient, of ~1× 10-11 m/W and the Brillouin bandwidth was increased by 2.5x compared to fused silica.

Paper Details

Date Published: 16 March 2016
PDF: 9 pages
Proc. SPIE 9728, Fiber Lasers XIII: Technology, Systems, and Applications, 97280T (16 March 2016); doi: 10.1117/12.2217905
Show Author Affiliations
Colin C. Baker, Naval Research Lab. (United States)
E. Joseph Friebele, Naval Research Lab. (United States)
Charles G. Askins, Naval Research Lab. (United States)
Michael P. Hunt, Naval Research Lab. (United States)
Barbara A. Marcheschi, Naval Research Lab. (United States)
Jake Fontana, Naval Research Lab. (United States)
John R. Peele, Sotera Defense Systems (United States)
Woohong Kim, Naval Research Lab. (United States)
Jasbinder Sanghera, Naval Research Lab. (United States)
Jun Zhang, Army Research Lab. (United States)
Radha K. Pattnaik, Army Research Lab. (United States)
Larry D. Merkle, Army Research Lab. (United States)
Mark Dubinskii, Army Research Lab. (United States)
Youming Chen, Army Research Lab. (United States)
Iyad A. Dajani, Air Force Research Lab. (United States)
Cody Mart, College of Optical Sciences, Univ. of Arizona (United States)


Published in SPIE Proceedings Vol. 9728:
Fiber Lasers XIII: Technology, Systems, and Applications
John Ballato, Editor(s)

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