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We report what we believe to be the first experimental demonstration of coherent beam combining of two fiber amplifiers in a 100 ns pulse regime using a signal leak between the pulses. Pulses of ∼100 W stimulated-Brillouin-scattering limited peak power are combined with 95% efficiency, a residual phase error of λ/27, and no significant beam quality… (More)
We present the first experimental coherent beam combining of two fiber amplifiers in 100ns-pulse-regime using a signal leak between the pulses. The ~100W SBS-limited peak power pulses are combined with 95% efficiency and λ/27 phase error.