Online light fluid FP cavity based on suspended core fibers

A core optical fiber and optical fluid technology, applied in the field of online optical fiber optical fluid micro FP cavity, can solve the limitation of the practical process of online optical fiber optical fluid micro FP cavity, improve the cost of online optical fiber optical fluid micro FP cavity, increase the production Process complexity and other issues, to achieve the effect of low cost, low processing cost and good mechanical strength

Inactive Publication Date: 2018-11-06
SHANXI UNIV
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Problems solved by technology

[0004] The reported on-line fiber optic optofluidic micro FP cavity preparation methods mainly include: femtosecond laser, 157nm laser, photolithography, grinding and focused ion beam, etc. The instruments and equipment used in these methods are very expensive, and at the same time need to cooperate with high precision The micro-motion control system greatly increases the complexity of the manufacturing process, and also increases the cost of the online fiber-optic fluid micro-FP cavity, which in turn limits the practical progress of the online fiber-optic fluid micro-FP cavity

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  • Online light fluid FP cavity based on suspended core fibers
  • Online light fluid FP cavity based on suspended core fibers
  • Online light fluid FP cavity based on suspended core fibers

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Embodiment Construction

[0018] The present invention proposes an online optofluidic micro-FP cavity based on a suspended core optical fiber, which is composed of a common single-mode optical fiber 1, a quartz capillary 2 and a suspended core optical fiber 3, and its structural diagram is as follows figure 1 As shown; wherein there are 6 large-size air holes in the cladding of the suspended core fiber 3, such as figure 2 As shown, 6 large-sized air holes surround the air hole 7 of the suspended core optical fiber; one end of the common single-mode optical fiber 1 is welded to one end of the quartz capillary 2, wherein the inner diameter of the quartz capillary 2 is greater than the diameter of the core 4 of the common single-mode optical fiber; the quartz capillary The other end of 2 is welded to one end of the suspension-core optical fiber 3, wherein the inner diameter of the quartz capillary 2 is greater than the outer diameter of the air hole of the suspension-core optical fiber 3; the other end of...

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Abstract

The present invention relates to an online light fluid FP (Fabry-Perot) cavity based on suspended core fibers. The online light fluid FP cavity is formed by a quartz capillary (2), a single mode fiber(1) welded at the left end of the quartz capillary (2) and a suspended core fiber (3) welded at the right end of the quartz capillary (2). The shaft axes of the single mode fiber (1), the quartz capillary (2) and the suspended core fiber (3) are coincide. The online light fluid FP cavity is simple in manufacturing process, low in cost, high in contrast, fast in response, good in mechanical strength, not sensitive in temperature, resistant to high temperature, etc.

Description

technical field [0001] The invention relates to the field of online optical fiber optical fluid micro FP cavity. Background technique [0002] The optofluidic technology integrating optics and microfluidics has great application prospects in the fields of biological measurement and chemical analysis, and has become one of the mainstream technologies for building miniaturized, integrated, and high-capacity biochemical analysis equipment. [0003] The traditional optofluidic FP (Fabry-Pérot) cavity is composed of separate optical elements such as lenses, light sources, beam splitters, and devices with microfluidic channels, combined with specially designed packaging technology. This type of system is bulky and unstable. , vulnerable to environmental impact and other shortcomings. The online optical fiber optofluidic micro FP cavity can effectively avoid the above problems, realize the miniaturization and integration of the optofluidic FP cavity, and effectively improve the st...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B6/293G02B6/26G02B6/25
CPCG02B6/25G02B6/262G02B6/29361
Inventor 张强李永民
Owner SHANXI UNIV
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