12 March 2014 The effect of polarization in passive coherent beam combining of fiber lasers
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Abstract
A Yb-doped, dual-core, double-clad, polarization-maintaining fiber is used to demonstrate passive coherent beam combining. A homemade Dammann grating is employed as a passive beam-combining optical element. Self-phasing is observed in this laser system, where we attribute the self-phasing behavior to the Kramers-Kronig effect. We experimentally demonstrate the importance of polarization on coherent beam combining efficiency as well as on Kramers-Kronig induced self-phasing.
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Hung-Sheng Chiang, Hung-Sheng Chiang, James R. Leger, James R. Leger, Emese Huszar, Emese Huszar, Johan Nilsson, Johan Nilsson, Jayanta Sahu, Jayanta Sahu, "The effect of polarization in passive coherent beam combining of fiber lasers", Proc. SPIE 8961, Fiber Lasers XI: Technology, Systems, and Applications, 89612B (12 March 2014); doi: 10.1117/12.2041012; https://doi.org/10.1117/12.2041012
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