Two-dimensional multi-channel acousto-optic diffraction |
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| Authors: | Luming Zhao Qida Zhao Jin Zhou Shuang Tian Hao Zhang |
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| Institution: | 1. The College of Physics, Nankai University, Tianjin 300071, China;2. The Institute of Modern Optics, Nankai University, Tianjin 300071, China;1. Wuhan University, Electronic Information School, Wuhan 430072, China;2. Science and Technology Electro-Optic Control Laboratory, Luoyang 471009, China;3. Collaborative Innovation Center of Geospatial Technology, Wuhan 430079, China;1. School of Information Science and Engineering, Central South University, Changsha, 410083, China;2. School of Electronics and Information Engineering, Hunan University of Science and Engineering, Yongzhou, 425199, China;1. Institute of Physical Technical and Radioengineering Measurements, 141570, Mendeleyevo, Moscow Region, Russia;2. Scientific Technological Center of Unique Instrumentation of Russian Academy of Sciences, ul. Butlerova, 15, 117342 Moscow, Russia;3. National Research Nuclear University MEPhI (Moscow Engineering Physics Institute), Kashirskoe Highway, 31, 115409 Moscow, Russia;1. Rise Program of Indo-US Research and Technology Forum (IUSSTF), Department of Mechanical Science and Engineering, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA;2. Department of Applied Mechanics, Indian Institute of Technology Madras, Chennai, India |
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| Abstract: | In this paper, we have investigated the interaction between acoustic waves generated by an incident light beam propagating through two-dimensional transducers. A set of coupled mode equations for two-dimensional multi-channel acousto-optic inter-modulation are derived, and the solutions are obtained. A new type of two-dimensional multi-channel Bragg acousto-optic modulator is designed by analyzing two-dimensional multi-channel acousto-optic inter-modulation based on the coupled mode theory, and its performance has also been experimentally characterized. The experimental results are in accordance with our theoretical analysis. |
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