TY - JOUR TI - Generation of Tunable Focal Spot and Focal hole by Radially Polarized Axisymmetric Bessel-modulated Gaussian beam AU - N.Veerabagu Suresh AU - K. Prabakaran AU - R. Chandrasekar AU - Haresh M. Pandya AU - K.B. Rajesh PY - 2013 DO - 10.13074/jent.2013.02.nciset317 T2 - Journal of Environmental Nanotechnology JF - Journal of Environmental Nanotechnology JA - J. Environ. Nanotechnol. SP - 107 EP - 112 VL - 2 IS - (Special Issue) PB - Institute for Environmental Nanotechnology ER -