Multi-focus optical fiber lens based on all-dielectric metasurface

UM > INSTITUTE OF APPLIED PHYSICS AND MATERIALS ENGINEERING

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	Multi-focus optical fiber lens based on all-dielectric metasurface
	Zhang, X; Guan, C; Wang, K; Cheng, L; Yang, J; Shi, J; Liu, H.; Liu, Z; Yuan, L
	2021-05-10
Source Publication	Chinese Optics Letters
ISSN	1671-7694
Pages	050601-050608
Abstract	A multi-focus optical fiber lens is numerically demonstrated based on an all-dielectric metasurface structure. The metasurface consists of an array of rectangular silicon resonators with varying widths in order to obtain the required phase distribution. The core diameter of the multimode fiber is large enough to contain sufficient resonance units. The spatial distribution of the dielectric resonators is dictated by spatial multiplexing, including interleaving meta-atoms and lens aperture division, to achieve multi-focus properties. The proposed optical fiber metalens can produce two or three focal points along the longitudinal direction with high focusing efficiency. The size of every focal point is close to the diffraction limit, and the relative intensity on each focus can be controlled by adjusting the number of the respective resonators. The proposed optical fiber lens will have a great potential in the fields of integrated optics and multifunctional micro/nano devices.
Keyword	metasurface
URL	View the original
Language	英語English
The Source to Article	PB_Publication
PUB ID	56837
Document Type	Journal article
Collection	INSTITUTE OF APPLIED PHYSICS AND MATERIALS ENGINEERING
Corresponding Author	Guan, C
Recommended Citation GB/T 7714	Zhang, X,Guan, C,Wang, K,et al. Multi-focus optical fiber lens based on all-dielectric metasurface[J]. Chinese Optics Letters, 2021, 050601-050608.
APA	Zhang, X., Guan, C., Wang, K., Cheng, L., Yang, J., Shi, J., Liu, H.., Liu, Z., & Yuan, L (2021). Multi-focus optical fiber lens based on all-dielectric metasurface. Chinese Optics Letters, 050601-050608.
MLA	Zhang, X,et al."Multi-focus optical fiber lens based on all-dielectric metasurface".Chinese Optics Letters (2021):050601-050608.

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