Optical tweezers formed by pure phase pupil filter

Wei Lv; Chenglong You; Mei Wang; Maojin Yun

doi:10.1117/12.2028636

28 September 2013 Optical tweezers formed by pure phase pupil filter

Wei Lv, Chenglong You, Mei Wang, Maojin Yun

Author Affiliations +

Proceedings Volume 8843, Laser Beam Shaping XIV; 88430R (2013) https://doi.org/10.1117/12.2028636
Event: SPIE Optical Engineering + Applications, 2013, San Diego, California, United States

Abstract

The focusing properties of vector beams have attracted great attention and quickly became the subject of extensive worldwide research due to their applications in lithography, optical storage, microscopy, material processing, and optical trapping. Focusing properties of the radially polarized beam and generalized cylindrical vector beams in high numerical aperture system with designed pure phase filter are analyzed in detail by using vector Debye diffraction theory. By utilizing diffractive optical element to partly change the polarization of vector beams, the energy density of light field in the vicinity of focus is studied by the numerical analysis. Numerical simulation result shows that optical bubbles can be obtained by changing the composition and polarization of the incident beams. At last, optical tweezers are constituted by two optical bubbles around the focus.

Citation Download Citation

Wei Lv, Wei Lv, Chenglong You, Chenglong You, Mei Wang, Mei Wang, Maojin Yun, Maojin Yun, "Optical tweezers formed by pure phase pupil filter", Proc. SPIE 8843, Laser Beam Shaping XIV, 88430R (28 September 2013); doi: 10.1117/12.2028636; https://doi.org/10.1117/12.2028636

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