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Ammonia gas sensor, and preparation method and application method thereof

An ammonia sensor and ammonia technology, applied in the field of ammonia sensors, can solve the problems that cannot be put into mass production and engineering application, and achieve the effects of high sensitivity and detection limit, fast response speed, and simple structure

Active Publication Date: 2020-08-14
苏州凯文堡尼光电科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, compared with developed countries, there is still a big gap in the research level of our country, mainly in terms of commercialization and industrialization. Most varieties are still in the stage of laboratory research and cannot be put into mass production and engineering applications.

Method used

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  • Ammonia gas sensor, and preparation method and application method thereof
  • Ammonia gas sensor, and preparation method and application method thereof

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Embodiment Construction

[0025] The specific implementation manners of the present invention will be further described below in conjunction with the drawings and examples. The following examples are only used to illustrate the technical solution of the present invention more clearly, but not to limit the protection scope of the present invention.

[0026] The invention provides an ammonia sensor, which is based on a tapered micro-nano optical fiber coupler structure, and is prepared through the following steps:

[0027] 1) Twist two sections of single-mode optical fiber together and select 25-30mm in the middle to peel off the coating layer. After cleaning and wiping with alcohol, fix the optical fiber in the fixture of the tapered platform, and run the tapered program after heating until softened;

[0028] 2) Adjust the execution details of the taper program through the data information fed back by the spectrometer. After the coupler is manufactured, it is fixed on the base platform with low refracti...

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Abstract

The invention discloses an ammonia gas sensor, and a preparation method and a use method thereof. The ammonia gas sensor is based on a tapered micro-nano optical fiber coupler structure, is combined with a sensitive polymer material, and has extremely high detection sensitivity and detection limit for low-concentration ammonia gas. The ammonia gas sensor is based on an all-optical structure, is low in cost, simple to operate and easy to manufacture, and is beneficial to development and application in various fields.

Description

technical field [0001] The invention relates to the field of optical fiber sensing, in particular to an ammonia gas sensor based on a tapered micro-nano optical fiber coupler structure, and a preparation method and a use method of the ammonia gas sensor. Background technique [0002] Modern information technology is composed of information collection, transmission and processing technology, so sensor technology, communication technology and computer technology have become the three pillars of information technology. In particular, today's society has entered the information age with optical fiber communication technology as the main feature, and optical fiber sensing technology represents the development trend of a new generation of sensors. [0003] The United States is the country with the earliest start and the highest level of research on optical fiber sensors, and its progress is very rapid in terms of military and civilian applications. In terms of military applicatio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/45G01N21/01
CPCG01N21/45G01N21/01Y02A50/20
Inventor 王鹏飞江宇璇
Owner 苏州凯文堡尼光电科技有限公司
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