supported by the National Natural Science Foundation of China (Grant Nos. 61108047 and 60908015);the Beijing Excellent Talent Training Project,China (Grant No. 2011D005007000008)
The theoretical and experimental results of tightly focused radially polarized vortex beams are demonstrated. An auto-focus technology is introduced into the measurement system in order to enhance the measurement prec...
supported by the National "973" Program of China (No.2007CB935303);the National Natural Science Foundation of China (No.60908015);the General Program of Beijing Municipal Commission of Education (No.KM200910772005)
We numerically study the surface plasmon interference formed by tightly focused higher polarization order axially symmetric polarized beams (ASPBs) based on the vectorial diffraction theory. The definition of ASPBs ...