A kind of graphene oxide optical fiber head

A technology of graphene and optical fiber head, which is applied in the field of graphene oxide optical fiber head, can solve the problem of weak fiber Raman scattering effect, and achieve the effect of increasing charge vibration intensity, improving detection signal, and promoting absorption and Raman scattering

Active Publication Date: 2020-12-08
焦作市名泽磁业有限公司
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  • Abstract
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Problems solved by technology

But the fiber Raman scattering effect is very weak at present

Method used

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  • A kind of graphene oxide optical fiber head
  • A kind of graphene oxide optical fiber head

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Embodiment 1

[0022] In order to further improve the Raman scattering of the micro-nano structure, this embodiment discloses a graphene oxide optical fiber head, such as figure 1 As shown, the optical fiber core head 1, the absorbing layer 2 and the reflecting layer 3 are included in sequence from bottom to top.

[0023] Specifically: the incident light enters the absorption layer 2 from the fiber core head 1, the absorption layer 2 absorbs the incident light, excites the surface charge of the absorption layer 2, generates a strong local electromagnetic field, and generates a strong electromagnetic field on the surface of the absorption layer 2. absorption and dissipation, thereby improving the detection signal of surface-enhanced Raman scattering.

[0024] The reflective layer 3 reflects the incident light passing through the absorbing layer 2 to the absorbing layer 2 again, and the effect of reflecting the electric field and reflecting the Raman signal promotes the absorption and Raman of...

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Abstract

The invention belongs to the technical field of optical fibers, and particularly relates to a graphene oxide optical fiber head. The graphene oxide optical fiber head comprises an optical fiber core head, an absorption layer and a reflective layer which are arranged from the bottom to the top in turn. The incident light enters the absorption layer from the optical fiber core head. The absorption layer absorbs the incident light to excite the surface charge of the absorption layer and generate a strong local electromagnetic field and generate strong absorption and dissipation on the surface of the absorption layer so as to improve the detection signal of the surface enhanced Raman scattering, solve the technical problem of weak fiber Raman scattering effect in the prior art and have good popularization value.

Description

technical field [0001] The invention relates to the field of optical fiber technology, in particular to a graphene oxide optical fiber head. Background technique [0002] Optical fiber, short for optical fiber, is a fiber made of glass or plastic that acts as a means of light transmission. The transmission principle is "total reflection of light". Raman effect (Raman scattering), also known as Raman scattering, refers to the phenomenon that the frequency of light waves changes after being scattered. [0003] Scattering occurs when light is irradiated on a substance. In addition to the elastic component (Rayleigh scattering) with the same wavelength as the excitation light in the scattered light, there are components longer and shorter than the wavelength of the excitation light. The latter phenomenon is collectively called pulling Mann effect. The inelastic scattering produced by the interaction between molecular vibrations, optical phonons in solids and excitation light ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02B6/26G01D5/353
CPCG01D5/35364G01D5/35374G02B6/262
Inventor 不公告发明人
Owner 焦作市名泽磁业有限公司
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