Fiber design for high-power low-cost Yb:Al-doped fiber laser operating at 980nm

Kim, J., Soh, D.B.S., Nilsson, J., Richardson, D.J. and Sahu, J.K. (2007) Fiber design for high-power low-cost Yb:Al-doped fiber laser operating at 980nm. IEEE Journal of Selected Topics in Quantum Electronics, 13, (3), 588-597. (doi:10.1109/JSTQE.2007.896628).


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We investigated an Yb:Al-doped depressed-clad hollow optical fiber (DCHOF) for cladding-pumped 980nm laser operation. With a careful design, the nonzero fundamental-mode cutoff characteristics of a DCHOF allows the competing 1030-1060nm emission to be filtered out, despite being quite close to 980nm. The laser yielded over 3W of output power in a diffraction limited beam (M -parameter degrades to 2.7, as a result of increased cladding-mode lasing, as the cladding thickness is reduced.

Item Type: Article
Digital Object Identifier (DOI): doi:10.1109/JSTQE.2007.896628
ISSNs: 1077-260X (print)
Related URLs:
Keywords: optical fiber fabrication, ytterbium, optical fiber lasers
Subjects: Q Science > QC Physics
T Technology > TK Electrical engineering. Electronics Nuclear engineering
T Technology > TN Mining engineering. Metallurgy
Divisions : University Structure - Pre August 2011 > Optoelectronics Research Centre
ePrint ID: 47769
Accepted Date and Publication Date:
May 2007Published
Date Deposited: 09 Aug 2007
Last Modified: 17 Oct 2016 10:36

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