Single-mode Raman fiber laser based on a multimode fiber |
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Authors: | Baek Sung H Roh Won B |
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Institution: | Department of Engineering Physics, Air Force Institute of Technology, 2950 Hobson Way, AFIT/ENP, Wright-Patterson Air Force Base, Ohio 45433, USA. |
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Abstract: | Single-mode operation of a Raman fiber laser based on a multimode fiber has been demonstrated for what is to our knowledge the first time. Single-mode operation was achieved through the beam cleanup effect of stimulated Raman scattering in multimode fibers. The Raman laser, consisting of a 50-microm-core multimode fiber and a multimode Nd:YAG laser pump, produced an output beam corresponding to the fundamental mode of the fiber. |
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