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Ball Shaped End-caps for Fiber Laser Systems

Author: AFL
Tuesday, May 1, 2018
AFL

End-caps of different types are widely used in fiber laser systems to reduce the fiber facet damage threshold and the back reflection. Most commercial end-caps consist of a cylindrical rod of fused silica with a flat or angle polished end-surface. By fusion splicing the end cap to the output fiber, the laser beam diverges and the spot size enlarges inside the end-cap. Thus, the power density at the air-silica interface is much lower compared to the case without end-capping.

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Ball Shaped End-caps for Fiber Laser Systems