@article{ V. Senthilkumar(2016), author = { V. Senthilkumar and L.Banupriya and M. Udhayakumar and K.B. Rajesh}, title = {Focusing Properties of Spirally Polarized Axisymmetric QBG Beams with 4pi Configuration}, journal = {Journal of Environmental Nanotechnology}, volume = {5}, number = {1}, pages = {26-32}, year = {2016}, doi = {10.13074/jent.2016.03.161183}, url = {https://doi.org/10.13074/jent.2016.03.161183} }