Fano resonance microwave sensor based on metal spiral structure

A technology of microwave sensor and helical structure, which is applied in the direction of instruments, scientific instruments, phase influence characteristics measurement, etc., can solve the problems of limiting measurement accuracy, and achieve the effects of high sensitivity, high sensing quality factor, and high Q factor

Pending Publication Date: 2021-12-31
SHANGHAI MUNICIPAL ELECTRIC POWER CO +1
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  • Abstract
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Problems solved by technology

However, due to the wide bandwidth of the Fano resonance in these structures, the figure of merit (FOM) of the sensor is only about 10, which limits its measurement accuracy
There are many ways to optimize the par

Method used

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  • Fano resonance microwave sensor based on metal spiral structure
  • Fano resonance microwave sensor based on metal spiral structure
  • Fano resonance microwave sensor based on metal spiral structure

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Embodiment Construction

[0023] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0024] The invention is a Fano resonant microwave sensor based on a metal helical structure, which can be used as a plasma sensor to detect the change of the refractive index of the surrounding medium. By accurately measuring the refractive index of substances, rapid and non-destructive and accurate identification of the type, composition, quality and state of substances can also be realized, which can be widely used in many scientific fields such as biomed...

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Abstract

The invention relates to a Fano resonance microwave sensor based on a metal spiral structure, the microwave sensor comprises a two-layer structure, the upper layer is a metal layer, and the lower layer is a dielectric layer; wherein the metal layer adopts a quadruple rotationally symmetrical metal spiral structure. Compared with the prior art, the device has the advantages of being compact in size, easy to integrate, easy to conform and the like.

Description

technical field [0001] The invention relates to a microwave sensor, in particular to a Fano resonance (Fano resonance, Fano resonance) microwave sensor based on a metal helical structure. Background technique [0002] With the development and progress of science and technology, microwave technology has been widely used in aerospace, wireless communication and satellite remote sensing. With the continuous development of microwave technology, the research and exploration of microwave sensors has become a hot spot in today's academic circles. As an important property of matter, the refractive index contains a lot of valuable information. In the fields of food agriculture, geological exploration, biomedicine, chemical industry and the development of new materials, the refractive index characteristics of materials are all used. Therefore, an accurate refractive index detection system It has very important academic and application value. Because microwaves are very sensitive to ...

Claims

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Application Information

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IPC IPC(8): G01N21/41G01N21/25G01N21/01
CPCG01N21/41G01N21/25G01N21/01G01N2021/258
Inventor 司文荣傅晨钊胡正勇倪鹤立李伟甘峰源周易杨雪雷蓝盾商祥烁
Owner SHANGHAI MUNICIPAL ELECTRIC POWER CO
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