Optical trapping with focused surface waves
WebNational Center for Biotechnology Information WebNov 1, 1989 · Show abstract. Simultaneously assembling the functions of lenses and phase vortices into geometric metasurfaces on an ultra-compact platform can potentially be used for light trapping and edge imaging, helping to enhance their applications in polarized optical systems. Here, we propose and theoretically investigate an all-graphene geometric ...
Optical trapping with focused surface waves
Did you know?
WebDe Gruyter WebFeb 5, 2024 · The optical trap loading of a selected microparticle is then demonstrated with step-by-step instructions including sample preparation, launching into the trap, and use of …
WebTo model an optical trap, we must not only consider a single incident ray but all the rays constituting a highly-focused laser beam, that is a set of many rays that converge at a … WebNov 4, 2024 · Near‐field optical trapping can be realized with focused evanescent waves that are excited at the water–glass interface due to the total internal reflection, or with focused plasmonic waves ...
WebFigure 1:Ray model for the trapping force at the focus of a laser beam. A particle displaced horizontally (A) or vertically (B) from the focus (at x = y = z = 0) refracts the light away … WebJan 2, 2024 · Here we demonstrate that metallic particles can be trapped stably using focused Bloch surface waves that propagate in the near-field region of a dielectric …
WebJun 1, 1998 · Abstract. We suggest a modification of a single beam optical trap which enables more effective axial trapping of nanoparticles. We employed interference of an incident wave and the wave which is reflected by the bottom of the trapping cell to create a standing wave trap. The scattering force is strongly suppressed for a highly reflective ...
WebDec 19, 2024 · Here we demonstrate that metallic particles can be trapped stably using focused Bloch surface waves that propagate in the near-field region of a dielectric … ray\\u0027s auto and truckWebJan 1, 2024 · Focused Bloch surface waves can be excited efficiently using an annular beam with azimuthal polarization and a high-numerical-aperture objective. Numerical simulations were performed to calculate the optical forces loaded on a gold particle by focused Bloch surface waves and the results were consistent with those of the experimental observations. simply prizes reviewsWebMay 13, 2024 · Applications of these resonances, variously called surface–wave resonances, morphology-dependent resonances, or structure resonances, have had great impact on light scattering studies. ... A form of distributed lens based on the magneto-optical trap has been used to focus and increase the density of atomic beams by factors … ray\u0027s auto and truck sales grundy vaWebApr 24, 2014 · Once the optical trapping stiffness has been calibrated, ... This pressure field can be generated using Surface Acoustic Waves (SAW) ... Optical tweezers are a well established technique and use the high intensity gradients in a tightly focused laser beam to trap transparent micron sized particles. 18 18. A. Ashkin, J. M. Dziedzic, ... simply probioticWebMar 17, 2024 · By recording these optical spectral data, trapping event kinetics can be visualized, and this indirect approach has been widely used in combination with SIBA … simply produced danwordWebTwo kinds of surface waves are excited and focused to trap dielectric microbeads in liquid. The focused evanescent waves trap a single bead near the focused center, whereas the … simply processingWebFeb 24, 2024 · Near-field optical trapping can be realized with focused evanescent waves that are excited at the water-glass interface due to the total internal reflection, or with … simply production