Generation of radially polarized mode in Yb fiber laser by using a dual conical prism |
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Authors: | Li Jian-Lang Ueda Ken-ichi Musha Mitsuru Shirakawa Akira Zhong Lan-Xiang |
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Institution: | Institute for Laser Science, University of Electro-Communications, Tokyo, Japan. j_li@ils.uec.ac.jp |
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Abstract: | For the first time to our knowledge, a radially polarized beam is generated in an Yb-doped multimode double-clad fiber laser by using an intracavity dual conical prism. Up to 6.2 mW of output power is obtained from a 2 m long gain fiber with 7.4% slope efficiency. This research opens a new window to obtaining a radially polarized beam directly from an active fiber. |
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