Dynamic gratings in KDP induced by piezoelectric vibrations at optical frequencies |
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| Authors: | T.B. Wang S.L. Guo L. Cao Z.G. Liu |
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| Affiliation: | a Department of Physics, Nanjing University of Information Science and Technology, 210044 Nanjing, China
b Department of Materials Science and Engineering and National Laboratory of Solid State Microstructure, Nanjing University, 210093 Nanjing, China |
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| Abstract: | Optical interference fringes were observed in the beam spot of the He-Ne laser transmitted through KDP. The interference fringes originate from the dynamic gratings induced by the electromagnetic field of the incident light. Diffraction fringes appear only in certain propagation directions of light through KDP. This observation is different from that monitored in α-quartz. |
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| Keywords: | 42.79.Dj 42.25.Fx 77.84.Fa 78.20.&minus e |
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