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9 March 2023 Calcium gallium germanium garnet as a cladding material for single-crystal yttrium aluminum garnet fiber lasers
Andrew Schlup
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Proceedings Volume PC12399, Solid State Lasers XXXII: Technology and Devices; PC1239901 (2023) https://doi.org/10.1117/12.2648409
Event: SPIE LASE, 2023, San Francisco, California, United States
Abstract
Yttrium Aluminum Garnet (YAG) is a promising material for solid state fiber lasers. The cladding surrounding the YAG core must have a tightly controlled refractive index, high thermal conductivity, and be fully dense. Ca3Ga2Ge3O12 (CGG) is a potential cladding material that meets these criteria, and has a low melting-temperature, allowing for unique processing methods. This presentation will discuss application of a dense CGG cladding onto a YAG fiber core using a Laser Heated Pedestal Growth (LHPG) apparatus. In-situ melt/solidification of the CGG in the LHPG will be shown, as well as characterization of cladded fibers via SEM, EDS, and TEM.
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Andrew Schlup "Calcium gallium germanium garnet as a cladding material for single-crystal yttrium aluminum garnet fiber lasers", Proc. SPIE PC12399, Solid State Lasers XXXII: Technology and Devices, PC1239901 (9 March 2023); https://doi.org/10.1117/12.2648409
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KEYWORDS
Cladding
Fiber lasers
YAG lasers
Calcium
Gallium
Germanium
Garnet
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