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首页> 外文期刊>Journal of Physics, D. Applied Physics: A Europhysics Journal >DETECTION OF BLEUSTEIN-GULYAEV SURFACE WAVES PROPAGATING ON HEXAGONAL CRYSTALS USING ACOUSTO-OPTIC INTERACTION
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DETECTION OF BLEUSTEIN-GULYAEV SURFACE WAVES PROPAGATING ON HEXAGONAL CRYSTALS USING ACOUSTO-OPTIC INTERACTION

机译：声光相互作用检测在六角形晶体上传播的布鲁斯汀-居利耶夫表面波

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摘要

Bleustein-Gulyaev (BG) waves retain the main advantages of surface acoustic waves (SAW), while being less sensitive to surface stresses and contamination. Our aim here is to study the acousto-optic detection of this kind of SAW using a laser probe. The interaction of BG waves with light propagating in the SAW sagittal plane is investigated theoretically for zinc oxide (ZnO) and cadmium sulphide (CdS) crystals with hexagonal symmetry (6 mm). The diffraction of the reflected and transmitted beam is studied versus the angle between the light wavevector and the normal to the SAW supporting plate (the depth direction along which the SAW attenuates). Some experimental results are also reported and compared with the above theory. [References: 22]
机译：Bleustein-Gulyaev（BG）波保留了表面声波（SAW）的主要优点，但对表面应力和污染较不敏感。我们的目的是研究使用激光探针对此类声表面波进行声光检测。从理论上研究了六方对称（6毫米）的氧化锌（ZnO）和硫化镉（CdS）晶体中BG波与在SAW矢状面中传播的光的相互作用。研究反射和透射光束的衍射与光波矢量和SAW支撑板法线之间的角度（SAW衰减的深度方向）之间的关系。还报告了一些实验结果，并与上述理论进行了比较。 [参考：22]

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