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Conferences > ASSL > 2015 > AW4A > AW4A.4

All-Fiber, Single-Mode Spectral Beam Combining of High Power Tm-Doped Fiber Lasers

S. Yılmaz, C. Ottenhues, M. Wysmolek, T. Theeg, S. Lamrini, K. Scholle, P. Fuhrberg, H. Sayınc, F. Ö. İlday, J. Neumann, L. Overmeyer, and D. Kracht.

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Abstract

Signal beam combining of Tm-doped fiber lasers can increase the laser output power while simultaneously maintaining the single mode beam quality. We demonstrate an all-fiber integrated dual-wavelength Tm-doped fiber laser with an output power of 36 W by using the spectral beam combining method. The constituent lasers are operating at the wavelengths 1949 and 1996 nm and an in-house-made WDM is used for combination of these two different wavelengths. All-fiber truly single mode power combining is demonstrated for the first time in this wavelength region.

© 2015 Optical Society of America

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