A 564 W QCW Thulium Fiber Oscillator Pumped at 793 nm

Julia R. Limongelli; Ezra Allee; Matthew Bieniek; Scott D. Setzler; Kevin Bruce; Geoff Fanning; Dennis McCal; Matthew Randall

doi:10.1364/ASSL.2020.JTu5A.4

Laser Congress 2020 (ASSL, LAC)
OSA Technical Digest (Optica Publishing Group, 2020),
paper JTu5A.4
•https://doi.org/10.1364/ASSL.2020.JTu5A.4

A 564 W QCW Thulium Fiber Oscillator Pumped at 793 nm

Julia R. Limongelli, Ezra Allee, Matthew Bieniek, Scott D. Setzler, Kevin Bruce, Geoff Fanning, Dennis McCal, and Matthew Randall

Laser Applications Conference 2020

Washington, D.C. United States
13–16 October 2020
ISBN: 978-1-943580-84-2

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Joint Poster Session I (JTu5A)

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J. R. Limongelli, E. Allee, M. Bieniek, S. D. Setzler, K. Bruce, G. Fanning, D. McCal, and M. Randall, "A 564 W QCW Thulium Fiber Oscillator Pumped at 793 nm," in Laser Congress 2020 (ASSL, LAC), P. Schunemann, C. Saraceno, S. Mirov, S. Taccheo, J. Nilsson, A. Petersen, D. Mordaunt, and J. Trbola, eds., OSA Technical Digest (Optica Publishing Group, 2020), paper JTu5A.4.

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Abstract

A 1940 nm thulium fiber oscillator producing >550 peak watts at 10% duty cycle is presented. The laser, pumped by seven high-brightness fiber-coupled 793 nm diodes, is single transverse mode at 45% optical conversion efficiency.

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