110 W High-Efficiency Er-Nanoparticle-Doped Fiber Laser

2018 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO)(2018)

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Abstract
An Er-nanoparticle-doped fiber laser cladding-pumped at 975 nm generates 110 W at 1605 nm with 40.6% slope efficiency and M-2 similar to 7. High Er-concentration (4 x 10(25) ions/m(3)) and pump brightness allows for adequate pump absorption even without Yb-codoping.
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Key words
laser,high-efficiency high-efficiency,fiber,er-nanoparticle-doped
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