26 March 2014 Compact nanosecond pulsed single stage Yb-doped fiber amplifier
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In this work we present a compact, nanosecond pulsed, single frequency, single stage Yb-doped fiber amplifier by using an overall fiber core diameter of 20 μm. The key component is a custom made, compact, ultra-low noise, single frequency ring-cavity solid state laser (SSL) at 1064 nm used as a master oscillator. The SSL can be designed to provide nanosecond pulses with pulse energies in the sub-mJ range. Our ultimate goal is to develop a compact linearly polarized, single frequency, nanosecond pulsed laser source in an all-fiber format. Short (less than 1m), highly Yb-doped fibers have been used in order to suppress non-linear effects.
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E. Balliu, M. Engholm, J. Hellström, G. Elgcrona, H. Karlsson, "Compact nanosecond pulsed single stage Yb-doped fiber amplifier", Proc. SPIE 8959, Solid State Lasers XXIII: Technology and Devices, 895910 (26 March 2014); doi: 10.1117/12.2040799; https://doi.org/10.1117/12.2040799

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