High-power photonic crystal fiber lasers: design, handling and subassemblies

Kim P. Hansen; Jes Broeng; Peter M. W. Skovgaard; Jacob R. Folkenberg; Martin D. Nielsen; Anders Petersson; Theis P. Hansen; Christian Jakobsen; Harald R. Simonsen; Jens Limpert; Francois Salin

doi:10.1117/12.590992

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22 April 2005 High-power photonic crystal fiber lasers: design, handling and subassemblies

Kim P. Hansen, Jes Broeng, Peter M. W. Skovgaard, Jacob R. Folkenberg, Martin D. Nielsen, Anders Petersson, Theis P. Hansen, Christian Jakobsen, Harald R. Simonsen, Jens Limpert, Francois Salin

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Proceedings Volume 5709, Fiber Lasers II: Technology, Systems, and Applications; (2005) https://doi.org/10.1117/12.590992
Event: Lasers and Applications in Science and Engineering, 2005, San Jose, California, United States

Abstract

We report on the latest development within active photonic crystal fibers for high power lasers and amplifiers with special focus on how the fibers can be improved with both polarization-maintaining and polarizing properties. We describe rod-type fibers for which a record-high power extraction of 250W/m is achieved. Moreover, we describe how active characterization is used to optimize fibers for laser and amplifier sub-assemblies with respect to beam quality, efficiency and robustness. Finally, we illustrate how the fibers can be integrated with high NA tapers and passive air-clad fibers containing Bragg grating to form an all-fiber, alignment-free, high-power fiber laser subassembly.

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Kim P. Hansen, Jes Broeng, Peter M. W. Skovgaard, Jacob R. Folkenberg, Martin D. Nielsen, Anders Petersson, Theis P. Hansen, Christian Jakobsen, Harald R. Simonsen, Jens Limpert, and Francois Salin "High-power photonic crystal fiber lasers: design, handling and subassemblies", Proc. SPIE 5709, Fiber Lasers II: Technology, Systems, and Applications, (22 April 2005); https://doi.org/10.1117/12.590992

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