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Hybrid plasmon chiral enhancement device and system

A technology of plasmon and enhancement device, which is applied in the field of plasmon chirality enhancement device and system, and can solve the problem of weak enhancement degree of circular dichroism and the like

Active Publication Date: 2020-01-14
XIAN UNIV OF POSTS & TELECOMM
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  • Abstract
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  • Claims
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Problems solved by technology

[0004] However, the structure in the prior art has a weaker degree of enhancement of circular dichroism

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  • Hybrid plasmon chiral enhancement device and system
  • Hybrid plasmon chiral enhancement device and system
  • Hybrid plasmon chiral enhancement device and system

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Embodiment Construction

[0029] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations.

[0030] Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art wi...

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Abstract

The present invention relates to a hybrid plasmon chiral enhancement device and system, and particularly to the field of photoelectric devices. According to the hybrid plasmon chiral enhancement device and system provided by the invention, a metal nanostructure layer is disposed on a metal substrate, and a dielectric layer is filled between the metal substrate and the metal nanostructure layer. Agraphene layer is disposed on at least one position in the vicinity of upper and lower surfaces of the metal nanostructure layer. Through local surface plasmon resonance hybridization generated between an h-shaped metal nanostructure in the metal nanostructure layer and the graphene layer, the heat loss and surface current of the graphene layer disposed in the vicinity of the metal nanostructure layer are enhanced, thereby improving the interaction between the incident light and a chiral micro-nano device, and enhancing the optical chirality of the metal nanostructure layer.

Description

technical field [0001] The invention relates to the field of optoelectronic devices, in particular to a hybrid plasmon chiral enhancement device and system. Background technique [0002] A chiral structure is one that cannot be superimposed on its mirror image. The structures that are chiral counterparts have different optical responses to left-handed polarized light (LCP) and right-handed polarized light (RCP). This different optical response is called circular dichroism (CD). Compared with chiral molecules, the interaction between noble metals and light is stronger, making the artificial chiral metal nanostructures exhibit stronger CD signals. Artificial chiral metal nanostructures have been applied in different fields, such as analytical chemistry, biosensing, negative refraction materials, and broadband circular polarization devices. [0003] In the prior art, researchers enhanced the CD signal by increasing the asymmetry of metal nanosystems. For two-dimensional pla...

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Application Information

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IPC IPC(8): G02B5/00G01J3/28
CPCG01J3/28G02B5/008
Inventor 王勇凯董军王忠玉王琦璟王倩颖
Owner XIAN UNIV OF POSTS & TELECOMM
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