@inproceedings{inproceedings, title  = {{Reduction of Orbital Angular Momentum Radio Beam Divergence Using a 3D Printed Planar Graded Index Lenses}},

 publisher = {{Institution of Engineering and Technology}},

 url = {{}},

 year = {{2018}},

 month = {{1}},

 author = {{Allen B and Drysdale TD and Zhang S and Isakov D and Tennant A and Whittow W and Stevens C and Vardaxoglou J and Coon J}},

 doi = {{10.1049/cp.2018.0442}},

 isbn = {{9781785618161}},

 journal = {{12th European Conference on Antennas and Propagation (EuCAP 2018)}},

 note = {{Accessed on 2024/12/22}}}