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Proceedings Paper

Cladding single crystal YAG fibers grown by laser heated pedestal growth
Author(s): Subhabrata Bera; Craig D. Nie; James A. Harrington; Theresa Chick; Ayan Chakrabarty; Stephen Trembath-Reichert; James Chapman; Stephen C. Rand
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Paper Abstract

Rare-earth doped single-crystal (SC) Yttrium Aluminum Garnet (YAG) fibers are excellent candidates for high power lasers. These SC fiber optics combine the favorable low Stimulated Brillouin Scattering (SBS) gain coefficient and excellent thermal properties to make them an attractive alternative to glass fiber lasers and amplifiers. Various rare-earth doped SC fibers have been grown using the laser heated pedestal growth (LHPG) technique. Several cladding methods, including in-situ and post-growth cladding techniques, are discussed in this paper. A rod-in-tube approach has been used by to grow a fiber with an Erbium doped SC YAG fiber core inserted in a SC YAG tube. The result is a radial gradient in the distribution of rare-earth ions. Post cladding methods include sol-gel deposited polycrystalline.

Paper Details

Date Published: 16 March 2016
PDF: 9 pages
Proc. SPIE 9726, Solid State Lasers XXV: Technology and Devices, 97260C (16 March 2016); doi: 10.1117/12.2216254
Show Author Affiliations
Subhabrata Bera, Rutgers Univ. (United States)
Craig D. Nie, Rutgers Univ. (United States)
James A. Harrington, Rutgers Univ. (United States)
Theresa Chick, Univ. of Michigan (United States)
Ayan Chakrabarty, Univ. of Michigan (United States)
Stephen Trembath-Reichert, Univ. of Michigan (United States)
James Chapman, Univ. of Michigan (United States)
Stephen C. Rand, Univ. of Michigan (United States)

Published in SPIE Proceedings Vol. 9726:
Solid State Lasers XXV: Technology and Devices
W. Andrew Clarkson; Ramesh K. Shori, Editor(s)

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