Infrared All-Dielectric Metasurface Beam Splitter Based on Transflective Structures

doi:10.3390/app13085207

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	Infrared All-Dielectric Metasurface Beam Splitter Based on Transflective Structures
	Y. Z. Ren, Z. Z. Liang, X. Y. Shi, F. M. Yang, X. Q. Zhang, R. Dai, S. T. Zhang and W. Z. Liu
	2023
发表期刊	Applied Sciences-Basel
卷号	13 期号:8 页码:13
摘要	Beam splitters are widely applied in various optical systems as a common beam-splitting device. The conventional stereoscopic and flat-type beam splitters greatly limit the packaging and integration of optical systems due to their large size and restricted emitting direction. Recently, beam-splitting devices made of various transmissive or reflective metasurfaces have shown the potential to overcome these challenges. However, in optical systems such as machine vision, these single-ended beam splitters increase the design complexity of the signal feedback link due to the limitation of the beam-splitting path direction. Here, we proposed and numerically simulated a transflective all-dielectric metasurface beam splitter by applying incompletely transmissive structural designs to the metasurface and using the transmission phase modulation mechanism. It can realize the beam separation for arbitrarily polarized incident light on the same side of the normal at both transmissive and reflective ends with a single-layer unit cell arrangement structure and has a similar emergence angle. The results reveal that at 1550 nm, the angular tolerance bandwidth is about 32 degrees, the total splitting efficiency is over 90%, and the splitting ratio is approximately 1:1. After comparison and verification of simulation results, this transflective metasurface beam splitter is hopeful to be applied in new compact optical systems that require real-time signal feedback, such as coaxial light sources and photoelectric sensing.
DOI	10.3390/app13085207
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收录类别	sci
语种	英语
引用统计
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/67816
专题	中国科学院长春光学精密机械与物理研究所
推荐引用方式 GB/T 7714	Y. Z. Ren, Z. Z. Liang, X. Y. Shi, F. M. Yang, X. Q. Zhang, R. Dai, S. T. Zhang and W. Z. Liu. Infrared All-Dielectric Metasurface Beam Splitter Based on Transflective Structures[J]. Applied Sciences-Basel,2023,13(8):13.
APA	Y. Z. Ren, Z. Z. Liang, X. Y. Shi, F. M. Yang, X. Q. Zhang, R. Dai, S. T. Zhang and W. Z. Liu.(2023).Infrared All-Dielectric Metasurface Beam Splitter Based on Transflective Structures.Applied Sciences-Basel,13(8),13.
MLA	Y. Z. Ren, Z. Z. Liang, X. Y. Shi, F. M. Yang, X. Q. Zhang, R. Dai, S. T. Zhang and W. Z. Liu."Infrared All-Dielectric Metasurface Beam Splitter Based on Transflective Structures".Applied Sciences-Basel 13.8(2023):13.

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