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Proceedings Paper

1.2-kW single-mode fiber laser based on 100-W high-brightness pump diodes
Author(s): Hongbo Yu; Dahv A. V. Kliner; Kai-Hsiu Liao; Jeff Segall; Martin H. Muendel; James J. Morehead; Jane Shen; Matt Kutsuris; Johnny Luu; Justin Franke; Kelvin Nguyen; Dave Woods; Fred Vance; David Vecht; David Meng; Richard Duesterberg; Lei Xu; Jay Skidmore; Matthew Peters; Nicolas Guerin; James Guo; Jane Cheng; Jihua Du; Brad Johnson; Dongliang Yin; Allen Hsieh; Peter Cheng; Abdullah Demir; Jason Cai; Rupa Gurram; Kong-Weng Lee; Reddy Raju; Daniel Zou; Raman Srinivasan; Mandeep Saini; Laura Zavala; Victor Rossin; Erik P. Zucker; Hiroaki Ishiguro; Hiroshi Sako
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Paper Abstract

We have demonstrated a monolithic (fully fused), 1.2-kW, Yb-doped fiber laser with near-single-mode beam quality. This laser employs a new generation of high-brightness, fiber-coupled pump sources based on spatially multiplexed single emitters, with each pump providing 100 W at 915 nm within 0.15 NA from a standard 105/125 μm fiber. The fiber laser is end pumped through the high-reflector FBG using a 19:1 fused-fiber pump combiner, eliminating the need for pump/signal combiners. The output wavelength is 1080 nm, with a linewidth of < 0.5 nm FWHM. A peak power of 1.5 kW was reached in modulated operation (1-ms pulse duration) with M2 < 1.2.

Paper Details

Date Published: 15 February 2012
PDF: 7 pages
Proc. SPIE 8237, Fiber Lasers IX: Technology, Systems, and Applications, 82370G (15 February 2012); doi: 10.1117/12.908454
Show Author Affiliations
Hongbo Yu, JDSU (United States)
Dahv A. V. Kliner, JDSU (United States)
Kai-Hsiu Liao, JDSU (United States)
Jeff Segall, JDSU (United States)
Martin H. Muendel, JDSU (United States)
James J. Morehead, JDSU (United States)
Jane Shen, JDSU (United States)
Matt Kutsuris, JDSU (United States)
Johnny Luu, JDSU (United States)
Justin Franke, JDSU (United States)
Kelvin Nguyen, JDSU (United States)
Dave Woods, JDSU (United States)
Fred Vance, JDSU (United States)
David Vecht, JDSU (United States)
David Meng, JDSU (United States)
Richard Duesterberg, JDSU (United States)
Lei Xu, JDSU (United States)
Jay Skidmore, JDSU (United States)
Matthew Peters, JDSU (United States)
Nicolas Guerin, JDSU (United States)
James Guo, JDSU (United States)
Jane Cheng, JDSU (United States)
Jihua Du, JDSU (United States)
Brad Johnson, JDSU (United States)
Dongliang Yin, JDSU (United States)
Allen Hsieh, JDSU (United States)
Peter Cheng, JDSU (United States)
Abdullah Demir, JDSU (United States)
Jason Cai, JDSU (United States)
Rupa Gurram, JDSU (United States)
Kong-Weng Lee, JDSU (United States)
Reddy Raju, JDSU (United States)
Daniel Zou, JDSU (United States)
Raman Srinivasan, JDSU (United States)
Mandeep Saini, JDSU (United States)
Laura Zavala, JDSU (United States)
Victor Rossin, JDSU (United States)
Erik P. Zucker, JDSU (United States)
Hiroaki Ishiguro, Amada (Japan)
Hiroshi Sako, Amada (Japan)

Published in SPIE Proceedings Vol. 8237:
Fiber Lasers IX: Technology, Systems, and Applications
Eric C. Honea; Sami T. Hendow, Editor(s)

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