concave lens
英 [kɔnˈkeɪv lenz] 美 [kɑnˈkev lɛnz]

释义

凹透镜；负透镜；

英英释义

concave lens

• n.a lens such that a parallel beam of light passing through it is caused to diverge or spread out

  同义词：diverging lens

双语例句

1. Just as a double convex lens enlarges, so a double concave lens reduces.
   正象双凸透镜可以放大那样，双凹透镜也可以缩小。

权威例句

concave lens
concave lens
Effects of concave lens on eyes of guinea pig
Negative refraction and plano-concave lens focusing in one-dimensional photonic crystals
Multi-functional, optofluidic, in-plane, bi-concave lens: tuning light beam from focused to divergent
Lithographic fabrication of large diffractive optical elements on a concave lens surface
Fabrication of large diffractive optical elements in thick film on a concave lens surface.
Strongly frequency dependent focusing efficiency of a concave lens based on two-dimensional photonic crystals
Beamforming by Left-Handed Extraordinary Transmission Metamaterial Bi- and Plano-Concave Lens at Millimeter-Waves
Strong focusing properties and far-field focus in the two-dimensional photonic-crystal-based concave lens