摘要
对平面光波与开口球腔内的球面驻波声场的声光相互作用,分别进行理论和实验研究.以光的衍射理论为基础,推导出了衍射的光强分布,并通过数值计数得到了衍射光强分布图样.在搭建的实验平台上,对该声光相互作用的衍射现象进行了实验测试,从衍射图样测得的声波长与实际声波长相符.
The acousto-optic interaction of plane light wave with spherical acoustic in spherical cavity with open ends is investigated theoretically and experimentally. On basis of the diffraction theory of light, the intensity distribution of diffracted light is deduced. And then, an image of the diffracted light is displayed by numerical calculation. On the other aspect, the acousto-optic diffraction is measured with our apparatus. The measured wavelength of acoustic wave is coincided with that of excited spherical acoustic wave.
作者
席锋
胡莉
XI Feng;HU Li(School of Computer Science and Information Engineering,Chongqing Technology and Business University,Chongqing 400067,China)
出处
《大学物理》
2021年第12期20-23,共4页
College Physics
关键词
光波
球面声波
声光相互作用
衍射光强分布
light wave
spherical acoustic wave
acousto-optic interaction
intensity distribution of diffraction light
