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Numerical Analysis on the Influence of Photo Darkening Heating Induced Phase Distortion on Fiber Coherent Combining CPA Scheme

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Abstract

We use numerical simulations to investigate the effects of photodarkening (PD) on single-channel and coherently combined Yb-doped Fiber CPA Systems. The system design optimizing for the lossy fiber caused by PD at ending of life shows improvements on both pulse compression and combining efficiency.

© 2018 The Author(s)

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