Journal
PHOTONICS
Volume 8, Issue 11, Pages -Publisher
MDPI
DOI: 10.3390/photonics8110466
Keywords
photonic hook; photonic jet; patchy particles; microspheres
Categories
Funding
- National Natural Science Foundation of China [62105156]
- Postgraduate Research & Practice Innovation Program of Jiangsu Province [SJCX21_0580, KYCX21_0102]
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The use of patchy microcylinders allows for the effective generation of photonic hooks with different curvatures, providing precise control and adjustment of the PHs.
The photonic hook (PH) is a new type of curved light beam, which has promising applications in various fields such as nanoparticle manipulation, super-resolution imaging, and so forth. Herein, we proposed a new approach of utilizing patchy microcylinders for the generation of PHs. Numerical simulation based on the finite-difference time-domain method was used to investigate the field distribution characteristics of the PHs. By rotating the patchy microcylinder, PHs with different curvatures can be effectively generated, and the PH with a bending angle of 28.4 & LCIRC; and a full-width-half-maximum of 0.36 lambda can be obtained from 1 mu m-diameter patchy microcylinders.
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