Experimental study of small signal amplification in Bragg acoustooptic bistable system |
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Authors: | Yi Hanwei Shen Ke |
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Affiliation: | a1Department of Optical Physics, Changchun Institute of Optics and Fine Mechanics, 7 Weixing Road, Changchun, 130022, People's Republic of China |
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Abstract: | The external small signal amplification ability of the Bragg acoustooptic system has been studied in this paper. It has been proven by experiment that there are saturation and resonance phenomena in the amplification. Bifurcation parameters at the bifurcation points are decreased by external simple harmonic signals. At the period-2 bifurcation point, small signal amplification energy is mainly from the period-2 component. External signals have the ability of frequency pulling and synchronising period-2 frequency. These phenomena have great significance concerning bifurcation and chaos. |
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