Development of ceramic fibers for high-energy laser applications

Geoff E. Fair; Hyun Jun Kim; HeeDong Lee; Triplicane A. Parthasarathy; Kristin A. Keller; Zachary D. Miller

doi:10.1117/12.886424

25 May 2011 Development of ceramic fibers for high-energy laser applications

Geoff E. Fair, Hyun Jun Kim, HeeDong Lee, Triplicane A. Parthasarathy, Kristin A. Keller, Zachary D. Miller

Proceedings Volume 8039, Laser Technology for Defense and Security VII; 80390X (2011) https://doi.org/10.1117/12.886424
Event: SPIE Defense, Security, and Sensing, 2011, Orlando, Florida, United States

Abstract

Polycrystalline ceramics offer a number of advantages relative to single crystal materials such as lower processing temperatures, improved mechanical properties, and higher doping levels with more uniform distribution of dopants for improved laser performance. Ceramic YAG (Y₃Al₅O₁₂) and rare earth sesquioxide (RE₂O₃) fibers promise to enable a number of high power laser devices via high thermal conductivity and higher allowable dopant concentration; however, these materials are not currently available as fine diameter optical-quality fibers. Powder processing approaches for laser quality polycrystalline ceramic fibers are in development at AFRL. Current processing techniques will be reviewed. The effects of a number of processing variables on the resulting fibers as well as preliminary optical characterization will also be presented.

Citation Download Citation

Geoff E. Fair, Hyun Jun Kim, HeeDong Lee, Triplicane A. Parthasarathy, Kristin A. Keller, and Zachary D. Miller "Development of ceramic fibers for high-energy laser applications", Proc. SPIE 8039, Laser Technology for Defense and Security VII, 80390X (25 May 2011); https://doi.org/10.1117/12.886424

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