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Cascade type optical fiber total phosphorous content detection sensor and manufacturing method thereof

A technology for detecting sensors and manufacturing methods, which is applied to instruments, measuring devices, scientific instruments, etc., to achieve the effects of low manufacturing cost, convenient replacement, and simplification of complexity

Inactive Publication Date: 2012-06-06
INST OF MICROELECTRONICS CHINESE ACAD OF SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The spectrophotometer is a precision optical instrument, and its core grating structure has high requirements on the temperature and humidity of the environment in which it is used. In addition, the vibration during the handling process and the pollution during the test make it very careful in use. , and requires professionals to operate during maintenance, causing a lot of inconvenience

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  • Cascade type optical fiber total phosphorous content detection sensor and manufacturing method thereof
  • Cascade type optical fiber total phosphorous content detection sensor and manufacturing method thereof
  • Cascade type optical fiber total phosphorous content detection sensor and manufacturing method thereof

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Embodiment Construction

[0024] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in further detail below in conjunction with specific embodiments and with reference to the accompanying drawings.

[0025] The cascaded optical fiber total phosphorus content detection sensor provided by the present invention adopts a cascaded optical fiber structure design based on V-groove positioning. Specifically, two optical fibers are fixedly installed on the same base plate with a V-groove in a cascade manner with a certain length apart. Both optical fibers adopt a structure with one port as a flat bare fiber and the other as a standard FC / PC connector, and the flat end is fixedly installed in a substrate with a V-shaped groove. Among them, the optical signal injection end adopts a standard single-mode optical fiber with a core diameter of 9 microns, and the optical signal collection end adopts a standard multimode optical fiber...

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Abstract

The invention discloses a cascade type optical fiber total phosphorous content detection sensor comprising a monomode fiber and a multimode fiber. The monomode fiber and the multimode fiber are fixedly arranged on a same substrate with a V-shaped groove. The monomode fiber and the multimode fiber are arranged with a cascade manner and with a certain distance. The monomode fiber is arranged at an optical signal input terminal, and the multimode fiber is arranged at an optical signal output terminal. The certain distance is kept between the two optical fibers. With the two sets of substrates with V-shaped grooves fixed up and down, the optical fibers are fixedly arranged. The invention also discloses a manufacturing method of the cascade type optical fiber total phosphorous content detection sensor. The invention provides a convenient and flexible total phosphorous detection method. With the method, the complexity of total phosphorous detection is simplified.

Description

technical field [0001] The invention relates to the technical field of optical fiber sensing, in particular to a cascaded optical fiber total phosphorus content detection sensor based on V-groove positioning and a manufacturing method thereof. Background technique [0002] Total phosphorus refers to the total amount of phosphorus in various forms in water bodies, and is an important indicator reflecting the degree of water pollution and the degree of eutrophication of lakes and reservoirs. As the phosphorus content in the water increases, the quality of the water body decreases. Especially in Hubo Reservoir, due to the increase of phosphorus content (more than 0.2mg / L), the plankton and algae in the water will multiply and consume the dissolved oxygen in the water, which will aggravate the eutrophication of the water. The impact of water bodies rich in total phosphorus on the environment is a focus of increasing attention in the field of environmental protection, and is an ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/17G01N21/01
Inventor 杨成樾周静涛刘焕明申华军
Owner INST OF MICROELECTRONICS CHINESE ACAD OF SCI
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