@article{K. B. Rajesh(2014), author = {K. B. Rajesh and K. Lalithambigai and C. Mohana Sundaram and P. M. Anbarasan}, title = {Tight Focusing of Double-ring-shaped Azimuthally Polarized Beam Using High NA Lens Axicon}, journal = {Journal of Environmental Nanotechnology}, volume = {3}, number = {(Special Issue)}, pages = {39-42}, year = {2014}, doi = {10.13074/jent.2014.12.144129}, url = {https://doi.org/10.13074/jent.2014.12.144129} }