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Proceedings Paper

Raman based power combining and wavelength conversion of high power ytterbium fiber lasers
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Paper Abstract

In this work, we demonstrate an architecture to perform Raman-based power combining and simultaneous wavelength conversion of two independently controlled high-power Ytterbium doped fiber lasers operating at different wavelengths into a single laser line at the 1.5-micron band. Specifically, we have been able to achieve an in-band output power of ∼99W with a conversion of ∼64% of the quantum limited efficiency. This power combining is illustrated for different cases of the input wavelengths of the Ytterbium fiber laser. In each case, we have been able to demonstrate a power combining of >87 W in the final 1.5-micron band, with more than 85% of the fraction of the power residing in the final desired band.

Paper Details

Date Published: 26 February 2018
PDF: 6 pages
Proc. SPIE 10512, Fiber Lasers XV: Technology and Systems, 105121U (26 February 2018); doi: 10.1117/12.2290347
Show Author Affiliations
Santosh Aparanji, Indian Institute of Science (India)
V. Balaswamy, Indian Institute of Science (India)
S. Arun, Indian Institute of Science (India)
V. R. Supradeepa, Indian Institute of Science (India)

Published in SPIE Proceedings Vol. 10512:
Fiber Lasers XV: Technology and Systems
Ingmar Hartl; Adrian L. Carter, Editor(s)

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