Abstract

We present a tunable, ultrafast, mid-infrared source based on difference frequency between 16 μm and 20 μm from an ultrafast, two-color Yb:fiber chirped-pulse amplifier. We have recorded an average power of 1.5 mW at 18μm. We have improved the output power after the pre-amplifier by one order of magnitude. We present the simulation and experimental results to the pre-amplifier.

© 2012 Optical Society of America

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