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Principles of electromagnetic waves in metasurfaces
Luo XianGang
Source PublicationSCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY
Volume58Issue:9Pages:594201
2015
Language英语
ISSN1674-7348
DOI10.1007/s11433-015-5688-1
Indexed BySCI
WOS IDWOS:000360834200003
Subtype期刊论文
AbstractMetasurfaces are artificially structured thin films with unusual properties on demand. Different from metamaterials, the metasurfaces change the electromagnetic waves mainly by exploiting the boundary conditions, rather than the constitutive parameters in three dimensional (3D) spaces. Despite the intrinsic similarities in the operational principles of metasurfaces, there is not a universal theory available for the understanding and design of these devices. In this article, we propose the concept of metasurface waves (M-waves) and provide a general theory to describe the principles of such waves. Most importantly, it is shown that the M-waves share some fundamental properties such as extremely short wavelength, abrupt phase change and strong chromatic dispersion, which making them different from traditional bulk waves. We show that these properties can enable many important applications such as subwavelength imaging and lithography, planar optical devices, broadband anti-reflection, absorption and polarization conversion. Our results demonstrated unambiguously that traditional laws of diffraction, refraction, reflection and absorption can be overcome by using the novel properties of M-waves. The theory provided here may pave the way for the design of new electromagnetic devices and further improvement of metasurfaces.; Metasurfaces are artificially structured thin films with unusual properties on demand. Different from metamaterials, the metasurfaces change the electromagnetic waves mainly by exploiting the boundary conditions, rather than the constitutive parameters in three dimensional (3D) spaces. Despite the intrinsic similarities in the operational principles of metasurfaces, there is not a universal theory available for the understanding and design of these devices. In this article, we propose the concept of metasurface waves (M-waves) and provide a general theory to describe the principles of such waves. Most importantly, it is shown that the M-waves share some fundamental properties such as extremely short wavelength, abrupt phase change and strong chromatic dispersion, which making them different from traditional bulk waves. We show that these properties can enable many important applications such as subwavelength imaging and lithography, planar optical devices, broadband anti-reflection, absorption and polarization conversion. Our results demonstrated unambiguously that traditional laws of diffraction, refraction, reflection and absorption can be overcome by using the novel properties of M-waves. The theory provided here may pave the way for the design of new electromagnetic devices and further improvement of metasurfaces.
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Cited Times:173[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ioe.ac.cn/handle/181551/6883
Collection微细加工光学技术国家重点实验室(开放室)
Recommended Citation
GB/T 7714
Luo XianGang. Principles of electromagnetic waves in metasurfaces[J]. SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY,2015,58(9):594201.
APA Luo XianGang.(2015).Principles of electromagnetic waves in metasurfaces.SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY,58(9),594201.
MLA Luo XianGang."Principles of electromagnetic waves in metasurfaces".SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY 58.9(2015):594201.
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