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2. A. Korpel,Acousto-Optics, 2nd ed., Artech House, New York (1997).
3. P. P. Banerjee and T.-C. Poon,Principles of Applied Optics, R. D. Irwin, Homewood (1992).
4. Bistable optical switching based on bragg diffraction
5. Acousto-optic bistability with fluctuations