Spin/orbital angular momentum conversion at a nano scale

Jingbo Sun; Natalia M. Litchinitser

doi:10.1117/12.2573521

15 June 2020 Spin/orbital angular momentum conversion at a nano scale

Jingbo Sun, Natalia M. Litchinitser

Proceedings Volume 11522, Optical Manipulation and Structured Materials Conference 2020; 115220X (2020) https://doi.org/10.1117/12.2573521
Event: SPIE Technologies and Applications of Structured Light, 2020, Yokohama, Japan

Abstract

In this work, we perform an in-depth theoretical study on the Spin/Orbital Angular Momentum conversion at the nanoscale when a radially polarized vortex beam is ideally focused by a so called-hyperlens, which can support the propagation of the evanescent wave can break the diffraction limit. Radially polarized optical vortex beam was used as an input and from the output side, a beam with circular polarization was observed from the hyperlens, which enabled a unique Spin/Orbital Angular Momentum conversion at the extremely tight focal spot of the hyperlens.

Citation Download Citation

Jingbo Sun and Natalia M. Litchinitser "Spin/orbital angular momentum conversion at a nano scale", Proc. SPIE 11522, Optical Manipulation and Structured Materials Conference 2020, 115220X (15 June 2020); https://doi.org/10.1117/12.2573521

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