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Effective mode volume optimization terahertz metasurface for protein molecule detection

A technology of protein molecules and metasurfaces, which is applied in the field of terahertz detection, can solve the problems of device optimization design structures that are rarely mentioned, and achieve the effects of reducing the effective electromagnetic enhancement space, suppressing transmission, and facilitating mass production

Pending Publication Date: 2021-11-26
UNIV OF SHANGHAI FOR SCI & TECH
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

However, this aspect of the optimal design structure of the device has rarely been mentioned

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  • Effective mode volume optimization terahertz metasurface for protein molecule detection
  • Effective mode volume optimization terahertz metasurface for protein molecule detection
  • Effective mode volume optimization terahertz metasurface for protein molecule detection

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Embodiment Construction

[0024] The specific implementation manners of the present invention will be described below in conjunction with the drawings and embodiments.

[0025]

[0026] This embodiment provides an effective mode volume optimized terahertz metasurface for protein molecule detection.

[0027] figure 1 It is the array layout diagram of the metasurface unit of the effective modulus volume optimized terahertz metasurface for protein molecular detection in the embodiment of the present invention.

[0028] Such as figure 1 As shown, the effective modulus volume optimized terahertz metasurface 1000 for protein molecular detection includes a plurality of metasurface units 100 arranged in an array. The metasurface unit 100 is a rectangle with a length of 80 microns and a width of 85 microns. The effective mode volume optimized terahertz metasurface composed of a plurality of metasurface units 100 arranged in an array has a side length of 15 mm, and contains about 22,500 metasurface units 10...

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Abstract

The invention belongs to the field of terahertz detection, and particularly relates to an effective mode volume optimized terahertz metasurface for protein molecule detection. Through a plurality of array-arranged metasurface units which are respectively provided with a dielectric substrate, a dustpan-shaped microcavity and a bimetal sideband filter, the photon density can be enhanced in a cubic micron space through a bimetal sideband and dustpan-shaped gradually-changed enhanced structure. The continuous bimetal sidebands enhance the overall capacitance of the metasurface unit, the effective electromagnetic enhancement space of a traditional dustpan-tongue-shaped tip is further reduced, and compared with a metasurface cavity without continuous metal bands, the metasurface cavity using the continuous metal sidebands can store more electromagnetic energy within the cubic micron range, and the ratio of the quality factor to the effective mode volume is greatly enhanced. Therefore, the effective mode volume optimized terahertz metasurface used for protein molecule detection improves the sensitivity of terahertz wave detection of trace protein molecules, and can reach the picogram magnitude.

Description

technical field [0001] The invention belongs to the field of terahertz detection, and in particular relates to an effective mode volume optimized terahertz metasurface for protein molecular detection. Background technique [0002] Since the 1980s, the study of protein molecules has entered the field of vision of scientists. Protein molecules are very important macromolecules in organisms. The study of protein molecules in viruses is of great significance for the study of cancer, anti-virus and infectious diseases. At present, among some special drugs in the world, quite a few drugs are protein molecules and nucleic acids, so the research in this field has very important prospects. In addition, in recent decades, terahertz waves have become an important field of research in countries all over the world due to their unique advantages. Terahertz waves refer to electromagnetic waves with a frequency in the range of 0.1-10THz (wavelength in the range of 0.03 to 3mm), which is lo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/3586G01N21/3581G01N21/01
CPCG01N21/3581G01N21/3586G01N21/01G01N2021/0112
Inventor 陈麟朱亦鸣张俊卿袁英豪庄松林
Owner UNIV OF SHANGHAI FOR SCI & TECH
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