Generation of optical vortex dipole from superposition of two transversely scaled Gaussian beams Naik, Dinesh N. ; Pradeep Chakravarthy, T. ; Viswanathan, Nirmal K. Abstract Publication: Applied Optics Pub Date: April 2016 DOI: 10.1364/AO.55.000B91 Bibcode: 2016ApOpt..55B..91N