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Spin biosensor and terahertz time domain spectroscopy system

A biosensor and metamaterial technology, applied in the field of biosensing, can solve the problems of high price, limited terahertz, difficult terahertz detection integration, etc., to achieve integration, reduce cost, and save the effect of optical path design.

Inactive Publication Date: 2019-07-16
QINGDAO RES INST OF BEIHANG UNIV
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Problems solved by technology

At present, terahertz is mainly generated through photoconductive antennas, but the price is expensive, and the existing terahertz time-domain spectroscopy system (THz-TDS) needs to build a complex optical path, which makes it difficult to realize the integration of terahertz detection, which limits the application of terahertz. Further applications in the field of biomedicine

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  • Spin biosensor and terahertz time domain spectroscopy system
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  • Spin biosensor and terahertz time domain spectroscopy system

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Embodiment Construction

[0022] 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. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0023] Biosensors are analytical devices composed of biological components and physical and chemical transducers, which are typical interdisciplinary and convergent technologies. Biosensors are fast, accurate and simple, and realize high-throughput analysis with the help of microarray platform technology (biochips). They are used in life science r...

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Abstract

Embodiments of the invention provide a spin biosensor and a terahertz time domain spectroscopy system. The spin biosensor comprises a substrate, a metamaterial array layer and a ferromagnetic structure layer, wherein the metamaterial array layer and the ferromagnetic structure layer are located on both sides of the substrate, or the metamaterial array layer and the ferromagnetic structure layer are located on the same side of the substrate, a passivation layer is further disposed between the metamaterial array layer and the ferromagnetic structure layer, and the metamaterial array layer is located at the outermost layer. The use of ferromagnetic materials as the generating device greatly reduces the cost while ensuring the transmission power. The metamaterial is directly fabricated on thesurface of the device, and the detector member is closely attached to the emitting source, thereby eliminating the complicated optical path design and realizing the integration of the terahertz biosensor.

Description

technical field [0001] Embodiments of the present invention relate to the technical field of biosensing, in particular to a spin biosensor and a terahertz time-domain spectroscopy system. Background technique [0002] Terahertz (THz) wave refers to the frequency range of 0.1-10THz, the corresponding wavelength is 3mm-30μm, and the frequency band is between millimeter wave and infrared optics. The development of terahertz time-domain spectroscopy technology based on ultrafast laser has promoted the rapid development of terahertz technology. The photon energy of terahertz radiation is very low, so it can realize the non-destructive detection of the measured substance; at the same time, the vibration of many biological macromolecules Both the energy level and the rotational energy level are in the terahertz band, therefore, the detection and fingerprinting of matter can be carried out through the characteristic resonance. [0003] Spintronics originated in 1988. Professor Fell...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/3586G01N21/01
CPCG01N21/01G01N21/3586
Inventor 温良恭聂天晓吴晓君刘永山白中扬
Owner QINGDAO RES INST OF BEIHANG UNIV
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