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Free-space realization of tunable pin-like optical vortex beams

Bongiovanni, D; Li, DH; Goutsoulas, M; Wu, H; Hu, Y; Song, DH; Morandotti, R; Efremidis, NK; Chen, ZG

Morandotti, R (corresponding author), Nankai Univ, TEDA Appl Phys Inst, MOE Key Lab Weak Light Nonlinear Photon, Tianjin 300457, Peoples R China.; Morandotti, R (corresponding author), Nankai Univ, Sch Phys, Tianjin 300457, Peoples R China.; Morandotti, R (corresponding author), Univ Elect Sci & Technol China, Inst Fundamental & Frontier Sci, Chengdu 610054, Peoples R China.

PHOTONICS RESEARCH, 2021; 9 (7): 1204

Abstract

We demonstrate, both analytically and experimentally, free-space pin-like optical vortex beams (POVBs). Such angular-momentum-carrying beams feature t......

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