We describe the properties of birefringent left-handed metamaterials and introduce the concept of a birefringent perfect lens. We demonstrate that, in a sharp contrast to the conventional left-handed perfect lens at $\epsilon=\mu=-1$, where $\epsilon$ is the dielectric constant and $\mu$ is the magnetic permeability, the birefringent left-handed lens can focus either TE or TM polarized waves or both of them, allowing a spatial separation of the TE and TM images. We discuss several applications of the birefringent left-handed lenses such as the beam splitting and near-field diagnostics at the sub-wavelength scale.
展开▼
机译：我们描述了双折射左手超材料的特性，并介绍了双折射完美镜片的概念。我们证明，与传统左手完美镜片在$ \ epsilon = \ mu = -1 $形成鲜明对比的情况下，其中$ \ epsilon $是介电常数，$ \ mu $是磁导率，左双折射手持透镜可以聚焦TE或TM偏振波，也可以聚焦二者，从而实现TE和TM图像的空间分离。我们讨论了双折射左手透镜的几种应用，例如在亚波长范围内的分束和近场诊断。
展开▼
