Kim, M.S. (author), Assafrao, A.C. (author), Scharf, T. (author), Wachters, A.J.H. (author), Pereira, S.F. (author), Urbach, H.P. (author), Brun, M. (author), Olivier, S. (author), Nicoletti, S. (author), Herzig, H.P. (author) We report on the experimental and numerical demonstration of immersed submicron-size hollow focused spots, generated by structuring the polarization state of an incident light beam impinging on a micro-size solid immersion lens (?-SIL) made of SiO2. Such structured focal spots are characterized by a doughnut-shaped intensity distribution, whose...
journal article 2012
