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HIFU场中声压的光纤光栅偏振型测量理论分析
The Theoretical Analysis of Polarization Type Measurement of Fiber Gratings about Acoustical Press in HIFU Field
【摘要】 在对高强度聚焦超声(HIFU)场中温度和产压性质分析的基础上,提出了根据光纤的光弹效应,用偏振光进行声压的测量,并从理论上进行了分析,得出了一些有用的公式。
【Abstract】 According to the analysis of temperature and acoustical press in HIFU fields, the acoustical press was detected using polarized light basing on elasto-optic effect.The theoretical mechanism was deduced, and some valuable conclusion and formulas were obtained.
【关键词】 光纤光栅;
声压;
光弹效应;
偏振;
高强度聚焦超声;
【Key words】 fiber gratings; acoustical press; polarization elasto-optic effect; high intensity focused ultrasound (HIFU);
【Key words】 fiber gratings; acoustical press; polarization elasto-optic effect; high intensity focused ultrasound (HIFU);
【基金】 国家自然科学基金!39970209
- 【文献出处】 光电子技术 ,OPTOELECFRONIC TECHNOLOGY , 编辑部邮箱 ,2000年01期
- 【分类号】TN25
- 【被引频次】2
- 【下载频次】57