%0 Journal Article %T Investigation of Azimuthally Polarized Bessel-modulated Gaussian Beam with Annular Obstruction %A K. Gokulakrishnan %A T. V. Sivasubramonia Pillai %D 2015 %R 10.13074/jent.2015.03.144119 %J Journal of Environmental Nanotechnology %P 32-36 %V 4 %N 1 %I Institute for Environmental Nanotechnology %U https://doi.org/10.13074/jent.2015.03.144119