@article{ V. Senthilkumar(2016),
author = { V. Senthilkumar and N.Umamageswari and M.Udhayakumar  and K.B. Rajesh},
title = {Generation of Sub Wavelength Focal Hole Segment using Azimuthally Polarized Higher Order Beam by High NA Parabolic Mirror},
journal = {Journal of Environmental Nanotechnology},
volume = {5},
number = {1},
pages = {13-16},
year = {2016},
doi = {10.13074/jent.2016.03.161184},
url = {https://doi.org/10.13074/jent.2016.03.161184}
}