TY - JOUR TI - Effect of Complex Phase Plate on Tight Focusing of Azimuthally Polarized Dark and Anti-dark Gaussian Beam AU - J. William Charles AU - U. Udhayakumar AU - K. B. Rajesh AU - A. Mohamed Musthafa PY - 2019 DO - 10.13074/jent.2019.09.193372 T2 - Journal of Environmental Nanotechnology JF - Journal of Environmental Nanotechnology JA - J. Environ. Nanotechnol. SP - 01 EP - 06 VL - 8 IS - 3 PB - Institute for Environmental Nanotechnology ER -