| 布喇格衍射光强与偏转角度特性研究 |
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| 引用本文： | 严一民,姚列明,霍中生. 布喇格衍射光强与偏转角度特性研究[J]. 实验科学与技术, 2011, 9(2): 43-45,114 |
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| 作者姓名： | 严一民 姚列明 霍中生 |
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| 作者单位： | 电子科技大学物理电子学院,成都,610054 |
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| 摘 要： | 基于声光效应,在布喇格衍射条件下,研究一种布喇格衍射光强与偏转角度调制方法。在共轴平面光路系统中,通过一个中间介质,使其改变一种光学透明介质平面与光轴的夹角,实现对激光束及布喇格衍射光强与偏转角度调制,并给出光强大小与角度变化关系。
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| 关 键 词： | 声光效应 布喇格衍射 角度变化 光强 调制 |
Study on Characteristics of Light Intensity of Bragg Diffraction and Deflection Angle |
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| YAN Yi-min,YAO Lie-ming,HUO Zhong-sheng. Study on Characteristics of Light Intensity of Bragg Diffraction and Deflection Angle[J]. Experiment Science & Technology, 2011, 9(2): 43-45,114 |
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| Authors: | YAN Yi-min YAO Lie-ming HUO Zhong-sheng |
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| Affiliation: | YAN Yi-min,YAO Lie-ming,HUO Zhong-sheng(College of Physical Electronics,University of Electronic Science and Technology of China,Chengdu 610054,China) |
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| Abstract: | A modulation method of light intensity and deflection angle under the Bragg condition based on acousto-optic effect is illustrated in this paper.In a coaxial planar optical system(CPOS),the modulation of laser beams and the light intensity of Bragg diffraction and deflection angle can be achieved by changing the incident angle.The incident angle is the angle between the optically transparent medium and the optical axis,from which the relation between angle and light intensity can be obtained. |
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| Keywords: | acousto-optic effect Bragg diffraction changed angle light intensity modulation |
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