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

Aparanji, Santosh and Balaswamy, V and Arun, S and Supradeep, V R (2018) Raman based power combining and wavelength conversion of high power ytterbium fiber lasers. In: Conference on Fiber Lasers XV - Technology and Systems, JAN 29-FEB 01, 2018, San Francisco, CA.

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Official URL: http://dx.doi.org/10.1117/12.2290347


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 similar to 99W with a conversion of similar to 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.

Item Type: Conference Proceedings
Additional Information: Copy right for this article belong toSPIE-INT SOC OPTICAL ENGINEERING, 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
Department/Centre: Division of Interdisciplinary Research > Centre for Nano Science and Engineering
Depositing User: Id for Latest eprints
Date Deposited: 06 Jun 2018 14:51
Last Modified: 06 Jun 2018 14:51
URI: http://eprints.iisc.ac.in/id/eprint/59976

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