Cladding single crystal YAG fibers grown by laser heated pedestal growth

Subhabrata Bera; Craig D. Nie; James A. Harrington; Theresa Chick; Ayan Chakrabarty; Stephen Trembath-Reichert; James Chapman; Stephen C. Rand

doi:10.1117/12.2216254

16 March 2016 Cladding single crystal YAG fibers grown by laser heated pedestal growth

Subhabrata Bera, Craig D. Nie, James A. Harrington, Theresa Chick, Ayan Chakrabarty, Stephen Trembath-Reichert, James Chapman, Stephen C. Rand

Author Affiliations +

Proceedings Volume 9726, Solid State Lasers XXV: Technology and Devices; 97260C (2016) https://doi.org/10.1117/12.2216254
Event: SPIE LASE, 2016, San Francisco, California, United States

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.

Citation Download Citation

Subhabrata Bera, Craig D. Nie, James A. Harrington, Theresa Chick, Ayan Chakrabarty, Stephen Trembath-Reichert, James Chapman, and Stephen C. Rand "Cladding single crystal YAG fibers grown by laser heated pedestal growth", Proc. SPIE 9726, Solid State Lasers XXV: Technology and Devices, 97260C (16 March 2016); https://doi.org/10.1117/12.2216254

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