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Multifunctional super-structure lens capable of being regulated and controlled by any polarization state, and manufacturing method thereof

A fabrication method and multi-functional technology, applied in the fields of artificial electromagnetic materials and micro-nano photonics, can solve the problem that multi-functional metalenses can only be regulated by limited polarization states, so as to promote research progress and overcome the problem of single focal polarization characteristics Effect

Active Publication Date: 2022-02-18
SHENZHEN GRADUATE SCHOOL TSINGHUA UNIV
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  • Abstract
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  • Application Information

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Problems solved by technology

[0005] The main purpose of the present invention is to overcome the defects of the above-mentioned background technology, provide a multifunctional metalens that can be adjusted by any polarization state and its manufacturing method, realize arbitrary polarization state adjustment and coplanar zoom at a single wavelength, overcome the existing multiple The problem that functional metalenses can only be tuned by limited polarization states

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  • Multifunctional super-structure lens capable of being regulated and controlled by any polarization state, and manufacturing method thereof
  • Multifunctional super-structure lens capable of being regulated and controlled by any polarization state, and manufacturing method thereof
  • Multifunctional super-structure lens capable of being regulated and controlled by any polarization state, and manufacturing method thereof

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Embodiment Construction

[0045]Embodiments of the present invention will be described in detail below. It should be emphasized that the following description is only exemplary and not intended to limit the scope of the invention and its application.

[0046] It should be noted that when an element is referred to as being “fixed” or “disposed on” another element, it may be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element. In addition, the connection can be used for fixation as well as for coupling or communication.

[0047] It is to be understood that the terms "length", "width", "top", "bottom", "front", "rear", "left", "right", "vertical", "horizontal", "top" , "bottom", "inner", "outer" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in t...

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Abstract

The invention relates to a multifunctional super-structure lens capable of being regulated and controlled by any polarization state, and a manufacturing method thereof. The multifunctional super-structure lens comprises a substrate layer and first to third type structural units arranged on the substrate layer, the first type structural units are rectangular nano-columns which are different in length and same in width and are suitable for regulating and controlling X-ray polarized light, the second type structural units are rectangular nano-columns which are different in width and length and suitable for regulating and controlling Y-line polarized light, the third structural units are cylindrical nano-columns which are different in radius and suitable for regulating and controlling any polarized light, and the first to third structural units have the same period and height and are arranged on the substrate layer in a staggered mode according to the spatial multiplexing principle to correspondingly meet a preset phase required by regulation so as to make the orthogonal line polarized light and other polarized light subjected to off-axis and on-axis focusing on a confocal plane respectively. The lens can realize any polarization state regulation and control and coplanar zooming under a single wavelength, and overcomes the problem that an existing multifunctional super-structure lens can only be regulated and controlled by a limited polarization state.

Description

Technical field [0001] The invention relates to the fields of artificial electromagnetic materials and micro-nano photonics, and in particular to a multifunctional metalens that can be controlled by any polarization state and a manufacturing method thereof. Background technique [0002] Metalenses are planar optical devices composed of periodic arrays of subwavelength structural units. They have excellent electromagnetic properties and are suitable for highly integrated and miniaturized optical systems. At this stage, researchers have focused extensively on the study of polarization-controlled multifunctional metalenses, but no one has yet realized the design of a multifunctional metalens that can be controlled by any polarization state. Therefore, the realization of a multifunctional metalens with adjustable polarization has been achieved. Design is significant. [0003] In order to realize the design of multifunctional metalenses with polarization control, domestic and fo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B3/00G02B27/28
CPCG02B3/0043G02B3/0012G02B27/28
Inventor 周倩倪凯闫兵陆海鸥廖俊潺
Owner SHENZHEN GRADUATE SCHOOL TSINGHUA UNIV
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