Project supported by the National Natural Science Foundation of China(Grant No.60977068);the Natural Science Foundation of Fujian Province,China(Grant No.A0810012);the Open Research Fund of State Key Laboratory of Transient Optics and Photonics,Chinese Academy of Sciences(Grant No.SKLST200912)
This paper studies the tight focusing properties of femtosecond elliptically polarised vortex light pulses. Based on Richards-Wolf vectorial diffraction integral, the expressions for the electric field, the velocity o...
supported by the Natural Science Foundation of Fujian Province (No. A0810012);the Key Project of Science and Technology of Fujian Province (No. 2007H0027)
In this paper, the photonic band gap of photonic crystals with chiral and negative-index materials alternately is investigated. It is shown that this kind of photonic crystal exhibits very wide photonic band gap. The ...