20 February 2018 Growth of rare-earth doped single crystal yttrium aluminum garnet fibers
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Abstract
Rare-earth doped single crystal (SC) yttrium aluminum garnet (YAG) fibers have great potential as high-power laser gain media. SC fibers combine the superior material properties of crystals with the advantages of a fiber geometry. Improving processing techniques, growth of low-loss YAG SC fibers have been reported. A low-cost technique that allows for the growth of optical quality Ho:YAG single crystal (SC) fibers with different dopant concentrations have been developed and discussed. This technique is a low-cost sol-gel based method which offers greater flexibility in terms of dopant concentration. Self-segregation of Nd ions in YAG SC fibers have been observed. Such a phenomenon can be utilized to fabricate monolithic SC fibers with graded index.
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Subhabrata Bera, Subhabrata Bera, Craig D. Nie, Craig D. Nie, James A. Harrington, James A. Harrington, Long Cheng, Long Cheng, Stephen C. Rand, Stephen C. Rand, Yuan Li, Yuan Li, Eric G. Johnson, Eric G. Johnson, } "Growth of rare-earth doped single crystal yttrium aluminum garnet fibers", Proc. SPIE 10511, Solid State Lasers XXVII: Technology and Devices, 105111P (20 February 2018); doi: 10.1117/12.2292275; https://doi.org/10.1117/12.2292275
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