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Manufacture method of optical fiber sensor

A technology of optical fiber sensor and manufacturing method, which is applied in the field of sensors, can solve problems such as difficulties in implementing protection measures, and achieve the effects of not being easily broken, improving efficiency, and simplifying process difficulty

Active Publication Date: 2012-07-04
苏州盛维新电子科技有限公司
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  • Abstract
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Problems solved by technology

However, since the production of the plastic protective layer cannot affect the film, that is, there should be no pollution on the film, it is difficult to implement this protective measure

Method used

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  • Manufacture method of optical fiber sensor
  • Manufacture method of optical fiber sensor
  • Manufacture method of optical fiber sensor

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Embodiment Construction

[0029] Hereinafter, the present invention will be described in detail with reference to the accompanying drawings. As a part of this specification, the principles of the present invention are explained through embodiments. Other aspects, features and advantages of the present invention will become clear through this detailed description.

[0030] The present invention provides a method for manufacturing an optical fiber sensor. The all-oxidized silica optical fiber pressure / sound sensor manufactured by the method can be used for ordinary pressure measurement, and can also be applied to some sensors that have special characteristics in terms of volume and high temperature resistance. Required fields (such as blood pressure measurement in the cardiovascular system, dynamic pressure measurement in the cylinder of an internal combustion engine, etc.). Such as Figure 1-3 As shown, the method for manufacturing an optical fiber sensor provided by the present invention includes the foll...

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Abstract

The invention discloses a manufacture method of an optical fiber sensor, which includes the following steps: S1 preparing materials including a silicon oxide film, a quartz glass optical fiber with a cavity at one end and a quartz glass capillary tube; S2 placing the silicon oxide film between the quartz glass capillary tube and the end face of the quartz glass optical fiber with the cavity, partially heating a connection position of the quartz glass capillary tube and the quartz glass optical fiber, and enabling the silicon oxide film, the quartz glass capillary tube and the quartz glass optical fiber to be bonded together; S3 removing redundant silicon oxide films; S4 coating a protective layer on the exposed quartz glass capillary tube and the outer surface of the quartz glass optical fiber; S5 cutting off a nearby position of a bonding position of the quartz glass capillary tube; and S6 finishing manufacture of the optical sensor.

Description

Technical field [0001] The present invention relates to the technical field of sensors, in particular to a method for manufacturing an optical fiber sensor. Background technique [0002] The all-silica optical fiber pressure sensor using the principle of Fabry-Perot cavity interferometer is composed of silicon oxide, which is resistant to heat shock and corrosion, and can work in harsh environments. Among them, the external dimensions of the miniaturized all-silica optical fiber pressure sensor are the same as the outer diameter of the optical fiber to which it is connected. If you use ordinary silica fiber for optical fiber communication, the outer diameter is only 125 microns. The miniaturization can be used in some special occasions. For example, in the diagnosis of cardiovascular blockage, the optical fiber pressure sensor can be placed in the cardiovascular system to directly measure the dynamic blood pressure everywhere in the cardiovascular system to determine the locatio...

Claims

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Application Information

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IPC IPC(8): G01L11/02G01L23/00G01H9/00
Inventor 林沁杨忠钰施林伟邓江东李维
Owner 苏州盛维新电子科技有限公司
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