119 citations · 131 across the 2 of their papers we have counts for
2 papers
physics.optics2023★ 12 cited
Tailoring bistability in optical tweezers with vortex beams and spherical aberration
Arthur Luna da Fonseca, Kainã Diniz, Paula Borges Monteiro +7
We demonstrate a bistable optical trap by tightly focusing a vortex laser beam. The optical potential has the form of a Mexican hat with an additional minimum at the center. The bi…
physics.optics2009★ 119 cited
Angular momentum of focused beams: beyond the paraxial approximation
Paula B. Monteiro, Paulo A. Maia Neto, H. Moyses Nussenzveig
We investigate in detail the focusing of a circularly polarized Laguerre-Gaussian laser beam ( orbital angular momentum per photon; for left/right-handed polar…