It is recorded holographically by the interference of a plane wave and a spherical wave in a double doped LiNbO3 crystal. The lens can laterally spread and focus the plane wave which perpendicularly incident crystal planar, and vice versa.
该透镜是由入射方向相互垂直的一束平面波和一束球面波在双掺杂的铌酸锂晶体平板上记录形成的，它可以将垂直入射晶体平板的输入光束产生横向传输并聚焦，或对输入光点产生横传并准直输出。
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The results indicate that the storage system with spherical waves has a larger volume, better angular selectivity and is useful for miniaturization of system.
结果表明，球面波系统的存储容量更高，角度选择性更好，并且有利于系统的小型化。
Plane and spherical waves in the cases of zero and non-zero turbulence inner scale are given as examples for illustration of the general behaviors of scintillation indices.
举例给出了有限湍流内尺度情况下平面波和球面波闪烁指数的通用表达式。
A simple approximate calculation method is given, which can exactly reconstruct the long distance non ideal propagation of detonation waves in the spherical shell of the charge.
针对实验结果给出一种简便的近似计算方法，它能准确地重现炸药球壳中长程绕射爆轰波的非理想传播行为。
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