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Microstructure optical fiber sensing probe

A technology of microstructure optical fiber and sensing probe, which is applied in the field of sensing probe, can solve the problems of unfavorable probe miniaturization, long length of optical fiber probe, etc., and achieve the effect of increasing effective contact area, not easy to break, and good flexibility

Inactive Publication Date: 2008-12-24
XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI
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  • Abstract
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AI Technical Summary

Problems solved by technology

However, the length of the fiber optic probe is too long, which is not conducive to the miniaturization of the probe

Method used

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  • Microstructure optical fiber sensing probe

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Embodiment Construction

[0016] see figure 1 , the present invention comprises an optical fiber matrix 1, an inner cladding 5 and an outer cladding 6, the optical fiber matrix 1 is arranged in the outer cladding 6, the inner cladding 5 is arranged in the optical fiber matrix 1, the inner cladding 5 is composed of a tunnel 2, and the inner surface of the tunnel 2 is arranged There is a sensing layer 3 . There are one or more tunnels 2, and when there are multiple tunnels 2, the inner cladding 5 is composed of periodically distributed tunnels 2 with characteristics of microstructured optical fibers. The material of the optical fiber matrix 1 is polymethyl methacrylate, polystyrene or polycarbonate. The sensing layers 3 on the inner surfaces of different pores 2 can be modified with the same specific molecules or antibodies, or can be modified with different specific molecules or antibodies. The sensing layer 3 on the inner surface of different channels 2 is modified with the same specific molecule or ...

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Abstract

The invention relates to a micro-structure fibre sensing probe, comprising a fibre substrate (1), an internal cladding (5) and an external cladding (6); wherein, the fibre substrate (1) is arranged inside the external cladding (6); the internal cladding (5) is arranged in the fibre substrate (1) and consists of pore canals (2); the internal surface of the pore canal (2) is provided with a sensing layer (3). The invention provides the micro-structure fibre sensing probe which has large sensing area and carries out multi-component measurement by using the same fibre, aiming at solving the technical problem exists in the fibre probe of the fibre sensor in the prior art.

Description

technical field [0001] The invention relates to a sensing probe, in particular to a microstructure optical fiber sensing probe. Background technique [0002] Optical biosensors use biomolecules or component-sensitive materials as optical functional components, and measure the optical or photochemical changes that occur with specific substances to be measured and convert them into corresponding optical signals to amplify and output, so as to obtain detection results. Optical biosensors generally consist of biometric components, optical conversion components, mechanical components, and electrical components. Among many types of optical biosensors, fiber optic sensors occupy an important position due to their characteristics of anti-electromagnetic radiation, anti-electromagnetic interference, and anti-corrosion. The fiber optic sensor is also a highly miniaturized device, and miniaturization is necessary for interventional monitoring, while requiring very little sample for de...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/64
Inventor 王丽莉杨兴华康利军
Owner XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI
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