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Proceedings Paper

Passively cooled pump signal combiners at 2.1 kW for fiber laser and amplifier systems
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Paper Abstract

In this work we demonstrate, a high brightness, high transmission Pump Signal Combiner (PSC) operating at 2.1 kW for 10 minutes mounted on a metal plate without running cooling water (Passively Cooled). The 6+1 to 1 PSC tested in this work has six 247 μm cladding diameter 0.22NA pump pigtails, a 10/125um signal pigtail and a 20/400um double clad output fiber. The combiners achieve a high pump transmission efficiency of 98%. During the passively cooled highpower test conducted at a power of 2.1 kW the maximum temperature recorded on the surface of the package was at a temperature of 38.5°C for 10min of power aging.

Paper Details

Date Published: 21 February 2020
PDF: 7 pages
Proc. SPIE 11260, Fiber Lasers XVII: Technology and Systems, 1126023 (21 February 2020); doi: 10.1117/12.2549728
Show Author Affiliations
L. Bansal, OFS Fitel, LLC (United States)
R. Sienkowski, OFS Fitel, LLC (United States)
J. Pincha, OFS Fitel, LLC (United States)
S. Rosario, OFS Fitel, LLC (United States)
C. Neale, OFS Fitel, LLC (United States)
J. Mann, OFS Fitel, LLC (United States)
C. E. Headley III, OFS Fitel, LLC (United States)

Published in SPIE Proceedings Vol. 11260:
Fiber Lasers XVII: Technology and Systems
Liang Dong, Editor(s)

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