First, the concept of LHM and the methods to realize it in microwave frequency band are introduced.

首先介绍了左手材料的基本概念，左手材料在微波频段的实现方法。

Moreover, the partly uncomprehended properties of the evanescent waves in the LHM slab are also disclosed.

此外，还揭露了倏逝波在左手平板透镜中部分未被理解的性质。

Recently Liebherr-Werk Nenzing GmbH received the order for the supply of the 100th harbour mobile crane, type LHM 400.

最近，利勃海尔南兴公司获得了第100台LHM 400移动式码头起重机的订单。

Therefore, studying how to construct LHM and about the properties of the LHM, is of great significance both in theory and application.

因此，研究左手材料的性质以及如何实现左手材料在理论和实践上具有重要意义。

We investigate guided modes in the asymmetric waveguide structure with a left-handed material (LHM) layer surrounded by air and metal.

本文调查左手材料作为导波层、空气和金属作为包覆层的不对称左手材料波导的导模特性。

Unique optical properties of the simple lens composed of left-handed material (LHM) are reasonedly studied here according to Geometrical Optics.

利用几何光学方法研究了由左手性介质制成的简单透镜的光学特性。

The investigation results show that the band gap of the photonic crystal made of LHM is wide and multi-transmittance peaks appear in the forbidden band.

研究结果表明：一维右手材料和左手材料构成的光子晶体具有宽禁带的特点，禁带中出现多个共振透射峰。

Investigated were the surface modes propagating along a hollow dielectric slab waveguide with a left handed material (LHM) substrate or cover, respectively.

详细研究了衬底或者覆盖层是左手材料两种情况下，空心平板波导中的表面模。

Analytic calculation of the negative refraction at the spherical surface is conducted demonstrating that the usual optical formulas still hold true for the LHM lens.

推理分析了左手性介质透镜处球形界面的负折射规律，并依此表明了常用光学公式仍适用于左手性介质。

The imaging system formed by an annular left-handed material (LHM) lens as well as the evanescent waves in the lens are simulated numerically with a finite-difference time-domain (FDTD) method.

利用时域有限差分法模拟了左手圆环形透镜的成像和透镜中的倏逝波。