摘要
利用声光相互作用所引起的光衍射现象,观测了叉指换能器在石英晶体上激发的各种声波及其倒速度图。着重研究了z-切割石英晶体表面、沿y方向激发表面声波的叉指换能器在这个样品上激发的各种表面声波和体声波。对观察到的不同于瑞利波形式的表面声波进行了探讨,并说明这类波的特性值得进一步研究。
Utilizing the method of optical diffraction produced by acousto-optical interac-tion, we have studied both surface and bulk acoustic waves from the optical diffraction patterns or the inverse phase velocity surfaces excited by interdigital transducers in quartz, with special emphasis on these waves produced in the z-cut crystal. A SAW different from normal Rayleigh waves has been found. On the ground of a brief discussion, we conclude that in many aspects the nature of this wave and/or similar wave disturbances is worthy for further investigations.
出处
《物理学报》
SCIE
EI
CAS
1978年第1期1-9,共9页
Acta Physica Sinica
