All-fiber, single-mode spectral beam combining of high power Tm-doped fiber lasers
Date
2015
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Instructor
Source Title
Proceedings of the Advanced Solid State Lasers Conference, ASSL 2015
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Publisher
OSA
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Language
English
Type
Conference Paper
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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.
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Keywords
Fiber lasers, Fibers, Dual wavelength, Laser output power, Power combining, Single-mode beams, Spectral beam combining, Tm-doped fiber laser, Two different wavelengths, Wavelength regions, Solid state lasers