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Proceedings Paper

True crystalline fibers: double-clad LMA design concept of Tm:YAG-core fiber and its mode simulation
Author(s): Xiaodong Mu; Helmuth Meissner; Huai-Chuan Lee; Mark Dubinskii
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Paper Abstract

We propose a sub-100 μm double-clad single-crystalline Tm:YAG square core adhesive-free bond (AFB) waveguide structure as a prototype gain medium for an LMA ~2-μm fiber laser with ~790-nm diode laser pumping and present its mode simulation. The structure uses an undoped YAG and ceramic spinel for the inner and outer claddings, respectively. The mode simulation indicates that such double-clad structure can have over 1000-μm2 mode area in a 2% Tm:YAG core which will maintain a single transverse mode laser operation. The structure also has a large numerical aperture (~ 0.22) for the un-doped YAG inner cladding available for pumping.

Paper Details

Date Published: 15 February 2012
PDF: 5 pages
Proc. SPIE 8237, Fiber Lasers IX: Technology, Systems, and Applications, 82373M (15 February 2012); doi: 10.1117/12.910527
Show Author Affiliations
Xiaodong Mu, Onyx Optics Inc. (United States)
Helmuth Meissner, Onyx Optics Inc. (United States)
Huai-Chuan Lee, Onyx Optics Inc. (United States)
Mark Dubinskii, U.S. Army Research Lab. (United States)

Published in SPIE Proceedings Vol. 8237:
Fiber Lasers IX: Technology, Systems, and Applications
Eric C. Honea; Sami T. Hendow, Editor(s)

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