Longitudinal-differential phase distribution near the focus of a high numerical aperture lens: study of wavefront spacing and Gouy phase

Experimental and theoretical investigation on the misalignment tolerance of micron-sized solid immersion lens

Geometrical impact on guided mode excitation in solar cells

Phase anomalies in bessel-gauss beams

Submicron hollow spot generation by solid immersion lens and structured illumination

Nanostructured effective-index micro-optical devices based on blazed 2-D sub-wavelength gratings with uniform features on a variable-pitch