%0 Journal Article %T Generation of Sub Wavelength Focal Hole Segment Using Azimuthally Polarized Annular Multi Gaussian Beam by High NA Parabolic Mirror %A K. B. Rajesh %A M. Udhayakumar %A K. Prabakaran %A Haresh M Pandya %D 2014 %R 10.13074/jent.2014.12.144127 %J Journal of Environmental Nanotechnology %P 31-34 %V 3 %N (Special Issue) %I Institute for Environmental Nanotechnology %U https://doi.org/10.13074/jent.2014.12.144127