Abstract
We report a highly versatile chemical-in-crucible preform fabrication
technique suitable for gas-phase deposition of doped optical fibers.
Aluminosilicate and ytterbium-doped phosphosilicate fibers are presented
demonstrating the technique and its potential for realizing complex fiber
designs that are suitable for the next generation of high-power fiber
devices. The results show aluminum-doped fiber with numerical aperture of
0.28 and ytterbium-doped fiber with a measured slope efficiency of 84%
with respect to pump launch power.
© 2011 IEEE
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