TY  - RPRT
TI  - Highly focused spirally polarized beams.
AU  - Riccardo Borghi
AU  - Massimo Santarsiero
AU  - Miguel A Alonso
PY  - 2005
DO  - 10.1364/josaa.22.001420
UR  - https://pubmed.ncbi.nlm.nih.gov/16053164/
ID  - 16053164
ER  -