Recent developments in polycrystalline oxide fiber laser materials: production of Yb-doped polycrystalline YAG fiber

HeeDong Lee; Kristin Keller; Brian Sirn; Triplicane Parthasarathy; Michael Cheng; Frank K. Hopkins

doi:10.1117/12.896244

1 September 2011 Recent developments in polycrystalline oxide fiber laser materials: production of Yb-doped polycrystalline YAG fiber

HeeDong Lee, Kristin Keller, Brian Sirn, Triplicane Parthasarathy, Michael Cheng, Frank K. Hopkins

Author Affiliations +

Proceedings Volume 8164, Nanophotonics and Macrophotonics for Space Environments V; 81640O (2011) https://doi.org/10.1117/12.896244
Event: SPIE Optical Engineering + Applications, 2011, San Diego, California, United States

Abstract

Laser quality, polycrystalline oxide fibers offer significant advantages over state-of-the-art silica fiber for high energy lasers. Advanced ceramic processing technology, along with a novel powder production process, has potential to produce oxide fibers with an outstanding optical quality for use in the fiber laser applications. The production of contaminant-free green fibers with a high packing density, as well as uniform packing distribution, is a key factor in obtaining laserquality fibers. High quality green fibers are dependent on the powder quality combined with the appropriate slurry formulation. These two fundamental technologies were successfully developed at UES, and used to produce Yb-doped yttrium aluminum garnet (YAG) fibers with high optical quality, high chemical purity, and suitable core diameters down to 20-30 microns.

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HeeDong Lee, Kristin Keller, Brian Sirn, Triplicane Parthasarathy, Michael Cheng, and Frank K. Hopkins "Recent developments in polycrystalline oxide fiber laser materials: production of Yb-doped polycrystalline YAG fiber", Proc. SPIE 8164, Nanophotonics and Macrophotonics for Space Environments V, 81640O (1 September 2011); https://doi.org/10.1117/12.896244

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KEYWORDS

YAG lasers

Fiber lasers

Oxides

Ceramics

Particles

Silica

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