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.
High-power photonic crystal fiber lasers: design, handling and subassemblies
Fiber Lasers II: Technology, Systems, and Applications ; 2005 ; San Jose,California,United States
Proc. SPIE ; 5709
2005-04-22
Conference paper
Electronic Resource
English
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