PM 56/400 Yb tapered fiber monolithic amplifier in a pulsed MOPA configuration for high energy/power applications

Brian Schulz; John Pickron; Dan Schulz; Carson Shollenbarger; Jason Tafoya; Don Sipes

doi:10.1117/12.3001843

12 March 2024 PM 56/400 Yb tapered fiber monolithic amplifier in a pulsed MOPA configuration for high energy/power applications

Brian Schulz, John Pickron, Dan Schulz, Carson Shollenbarger, Jason Tafoya, Don Sipes

Author Affiliations +

Proceedings Volume 12865, Fiber Lasers XXI: Technology and Systems; 128651E (2024) https://doi.org/10.1117/12.3001843
Event: SPIE LASE, 2024, San Francisco, California, United States

Conference Poster

Abstract

We demonstrate that the PM 56/400 Yb tapered fiber achieves a good combination of large mode field diameter and beam quality for use in a pulsed, monolithic fiber amplifier. We evaluate this fiber over a wide test regime to determine its viability when compared to other amplifier fibers. Our focus is achieving as much energy, peak power, and average power as possible while remaining conservative to protect the fiber long-term. The fiber is tested using our Counter-Pumped Tapered Endcap (CPTEC) design that retains the benefits of counter-pumping without the drawbacks of free-space coupling.

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Brian Schulz, John Pickron, Dan Schulz, Carson Shollenbarger, Jason Tafoya, and Don Sipes "PM 56/400 Yb tapered fiber monolithic amplifier in a pulsed MOPA configuration for high energy/power applications", Proc. SPIE 12865, Fiber Lasers XXI: Technology and Systems, 128651E (12 March 2024); https://doi.org/10.1117/12.3001843

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