Left-handed material (LHM) is a new kind of artificial material, which has many special characters, such as negative refraction, amplification of evanescent wave, subwavelength resolution.

• 左手物质是最近几年才提出的一种全新的人工合成材料,其具有很多奇特的性质,如负折射、消逝波放大、次波长分辨率等。