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Proceedings Paper

Synthesis of high purity metal oxide nanoparticles for optical applications
Author(s): C. Baker; W. Kim; E. J. Friebele; G. Villalobos; J. Frantz; L. B. Shaw; B. Sadowski; J. Fontana; M. Dubinskii; J. Zhang; J. Sanghera
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Paper Abstract

In this paper we present our recent research results in synthesizing various metal oxide nanoparticles for use as laser gain media (solid state as well as fiber lasers) and transparent ceramic windows via two separate techniques, co-precipitation and flame spray pyrolysis. The nanoparticles were pressed into ceramic discs that exhibited optical transmission approaching the theoretical limit and showed very high optical-to-optical lasing slope efficiency. We have also synthesized sesquioxide nanoparticles using a Flame Spray Pyrolysis (FSP) technique that leads to the synthesis of a metastable phase of sesquioxide which allows fabricating excellent optical quality transparent windows with very fine grain sizes. Finally, we present our research in the synthesis of rare earth doped boehmite nanoparticles where the rareearth ion is encased in a cage of aluminum and oxygen to prevent ion-ion proximity and energy transfer. The preforms have been drawn into fibers exhibiting long lifetimes and high laser efficiencies.

Paper Details

Date Published: 10 September 2014
PDF: 8 pages
Proc. SPIE 9161, Nanophotonic Materials XI, 91610D (10 September 2014); doi: 10.1117/12.2061082
Show Author Affiliations
C. Baker, U.S. Naval Research Lab. (United States)
W. Kim, U.S. Naval Research Lab. (United States)
E. J. Friebele, U.S. Naval Research Lab. (United States)
G. Villalobos, U.S. Naval Research Lab. (United States)
J. Frantz, U.S. Naval Research Lab. (United States)
L. B. Shaw, U.S. Naval Research Lab. (United States)
B. Sadowski, Sotera Defense Solutions, Inc. (United States)
J. Fontana, U.S. Naval Research Lab. (United States)
M. Dubinskii, U.S. Army Research Lab. (United States)
J. Zhang, U.S. Army Research Lab. (United States)
J. Sanghera, U.S. Naval Research Lab. (United States)


Published in SPIE Proceedings Vol. 9161:
Nanophotonic Materials XI
Stefano Cabrini; Gilles Lérondel; Adam M. Schwartzberg; Taleb Mokari, Editor(s)

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