A novel optical polarimeter based on the signal width measurement of the waveform |
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| Authors: | Hongzhi Jia Guizhen Xia Bochun Wu Tao Jin Huancai Lu |
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| Institution: | aShanghai Key Laboratory of Modern Optical System, School of Optical-electrical and Computer Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China;bLaboratory Management Centre, CAPF Shanghai Institute of Politics, Shanghai 200435, China |
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| Abstract: | For the optical polarimeter based on the structure of polarizer–Faraday modulator–analyzer, a novel method of optical rotation measurement was proposed by the waveform analysis of optical intensity signals. The calculation method of the optical rotation was provided by measuring the signal width of the waveform. Furthermore, the optical rotations of sugar solutions with different concentrations were measured by this method, and the fitting degree of obtained fitting curve is 0.9996. This showed that this method was effective. |
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| Keywords: | Optical polarimeter Faraday magneto-optic effect Signal width measurement |
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