%0 Journal Article %T Investigation of Azimuthally Polarized Bessel‐modulated Gaussian Beam with Annular Obstruction %A K. Gokulakrishnan %A T. V. Sivasubramonia Pillai %A K.B. Rajesh %D 2014 %R 10.13074/jent.2014.12.144122 %J Journal of Environmental Nanotechnology %P 04-08 %V 3 %N (Special Issue) %I Institute for Environmental Nanotechnology %U https://doi.org/10.13074/jent.2014.12.144122