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首页> 外文期刊>IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control >Propagation properties of longitudinal leaky surface waves onlithium tetraborate
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Propagation properties of longitudinal leaky surface waves onlithium tetraborate

机译：纵向泄漏表面波在四硼酸锂上的传播特性

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摘要

Theoretical and experimental results of longitudinal leaky surfacenwaves with a higher phase velocity than that of ordinary leaky surfacenwaves and a low propagation loss on lithium tetraborate (LBO) areninvestigated in detail. They propagate along the surface with a phasenvelocity close to that of longitudinal bulk wave, slightly radiating twonkinds of shear bulk waves (or one shear bulk wave in the case that onenof two shear wave terms is uncoupled) into the solid. Most surfacencomponents of the mode consist of a longitudinal wave term and annelectromagnetic wave term. The detailed propagation properties of thenlongitudinal leaky surface waves on LBO with the Euler angles (Φ,nΘ, 90°) are investigated theoretically and experimentally.nThe (011) cut of LBO was found to be desirable for higher frequency SAWndevices. One of the reasons why that mode on LBO has a low propagationnloss is also discussed
机译：详细研究了纵向泄漏表面波的相速度比普通泄漏表面波高的理论和实验结果，以及在四硼酸锂（LBO）上的低传播损耗。它们沿着表面传播，其相位速度接近于纵向体波的相位速度，将两束切变体波（或两个切变波项中的一个不耦合时，一个切体波）略微辐射到固体中。该模式的大多数表面分量都由纵向波项和非电磁波项组成。理论上和实验上研究了具有欧拉角（Φ，nθ，90°）的LBO上纵向泄漏表面波的详细传播特性。n的LBO（011）切割被认为对于高频SAWn器件是理想的。还讨论了LBO上的该模式具有低传播损耗的原因之一

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