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, James R. Leger, Emese Huszar, Johan Nilsson, 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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