Abstract

The effects of aberrations on coherent beam combination (CBC) of nanosecond fiber lasers are analyzed in this paper. These effects include imperfect overlap of the pulses, spectral phase shift, and nonlinear phase shift, which are induced by optical path difference and self-phase modulation. A typical system of CBC of two lasers is calculated in detail and design guidelines are given.

© 2013 Optical Society of America

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