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Slot waveguide based blood sugar detection apparatus

A technology of blood sugar detection and slit waveguide, which is applied in the field of blood sugar detection, can solve the problems of high cost, complex structure, large size, etc., and achieve the effect of high integration, obvious change of light field, and rapid change of light field

Inactive Publication Date: 2013-12-25
ZHEJIANG UNIV OF TECH
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Problems solved by technology

[0005] In order to overcome the disadvantages of complex structure, large size and high cost of the existing blood glucose detection technology, the present invention provides a slit waveguide based on simplified structure, reduced size and reduced cost while meeting high detection efficiency and fast response. blood glucose testing device

Method used

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  • Slot waveguide based blood sugar detection apparatus
  • Slot waveguide based blood sugar detection apparatus

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Embodiment Construction

[0015] The present invention will be further described below in conjunction with the drawings.

[0016] Referring to Figure 1, a blood glucose detection device based on a slit waveguide includes a straight waveguide and a micro-ring waveguide. The ring-shaped slit area between the straight waveguide and the micro-ring waveguide is a straight line and a circular arc. The shortest distance between the straight line and the arc is located on the straight line that passes through the center of the arc and the straight line is perpendicular. The shortest distance between the straight line and the arc is set to 50~80nm, and the annular slit area is for the blood to be tested. In the detection channel through which the sample flows, the refractive index of the straight waveguide material is higher than that of the blood sample.

[0017] Further, the blood glucose detection device further includes an outgoing part, the outgoing part includes a bus waveguide, a photoelectric conversion modu...

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Abstract

A slot waveguide based blood sugar detection apparatus comprises a straight waveguide and a micro-ring waveguide, a ring slot area between the straight waveguide and the micro-ring waveguide is an area formed by a straight line and an arc, a shortest distance between the straight line and the arc is positioned in an another straight line going through the circle center of the arc and vertical to the straight line and is set in a range of 50-80nm, the ring slot area is a detection channel for a blood sample for detection to flow, and the refractive index of the material of the straight waveguide is higher than that of the blood sample. The slot waveguide based blood sugar detection apparatus provided by the invention has the advantages of high detection efficiency, fast response, simplified structure, reduced size, and reduced cost.

Description

Technical field [0001] The invention relates to the field of blood sugar detection, in particular to a blood sugar detection device. Background technique [0002] Among the existing blood glucose detection technologies, conventional blood glucose detection is an invasive detection, with slow medical treatment, low efficiency, and low intelligence. [0003] Some people have proposed the use of microwave technology to achieve blood glucose detection. For example, the patent number is 200710200028.X, and the title of the invention is: a Chinese invention patent application for a non-invasive rapid blood glucose monitor. The use of microwave technology to achieve blood glucose detection has better detection speed and technical defects: the entire detection equipment has a complex structure, a large size, a slow response, and a high cost. [0004] In 2004, the research group of Professor Michal Lipson of Cornell University put forward the concept of slit waveguide for the first time (Alm...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/17
Inventor 乐孜纯李塘林宣怀
Owner ZHEJIANG UNIV OF TECH
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