A simple generation of tunable inhomogeneously polarized beam by half-wave plate |
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| Authors: | Jinsong Li Ying Fang Xiumin Gao Songlin Zhuang |
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| Institution: | 1. College of Optical and Electronic Technology, China Jiliang University, Hangzhou 310018, China;2. Electronics and Information College, Hangzhou Dianzi University, Hangzhou 310018, China;3. Optics and Electronics College, University of shanghai for Science and Technology, Shanghai 200093, China |
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| Abstract: | Polarization which has attracted much attention plays an important role in many optical systems, and vector beam generation is very desirable. In this paper, a very simple method for generating tunable inhomogeneously polarized beam is proposed. Polarizing film is employed to construct conic polarization converter that can convert incident beam into inhomogeneously polarized vector beam. Two half-wave plates are put in light path, and by adjusting the angle between the fast axes of the two half-wavelength plates, the polarization distribution can be altered conveniently. Experiments have been made successfully to show that this kind of method is very simple and valid. |
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