The Kerr nonlinearity of a left-handed material is analyzed in a four-level atomic system.
分析了四能级原子系统中左手材料的克尔非线性特性。
2
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.