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Magneto-optic effect photon crystal fiber and manufacturing method thereof

A technology of photonic crystal fiber and magneto-optical effect, which is applied in the direction of manufacturing tools, optical waveguide and light guide, glass manufacturing equipment, etc., can solve the problems of high temperature sensitivity and low fiber sensitivity, so as to improve sensitivity, enhance magneto-optic effect, reduce The effect of length

Inactive Publication Date: 2005-04-13
SHANGHAI UNIV
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Problems solved by technology

[0007] The purpose of the present invention is to address the problems existing in the prior art, to provide a photonic crystal fiber with magneto-optic effect, to solve the key technical problems of low sensitivity and high temperature sensitivity that plague the application of optical fiber in the field of magneto-optical effect, and to provide optical fiber Magneto-optical devices in the field of communication and all-fiber current transformer development services in the field of fiber optic sensing

Method used

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  • Magneto-optic effect photon crystal fiber and manufacturing method thereof
  • Magneto-optic effect photon crystal fiber and manufacturing method thereof
  • Magneto-optic effect photon crystal fiber and manufacturing method thereof

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Embodiment Construction

[0043] A preferred embodiment of the present invention is: see figure 1 with figure 2 The magneto-optical effect photonic crystal fiber is composed of a core (11) doped with rare earth elements, a pore cladding (12) and a protective layer (13). The material of the core (11) is pure quartz doped with a small amount of increase Germanium dioxide GeO with high refractive index 2 And rare earth Tb that increases the Faraday magneto-optical effect 3+ , Al 3+ Ionic composition, and its chemical composition calculated by weight percentage: Quartz 93-98%, Germanium Dioxide 1-4%, Tb 3+ 0.7-2%, Al 3+ 0.3-1%; the material of the stomata cladding (12) is a capillary cladding (2) composed of a symmetrical hexagonal regularly arranged photonic crystal structure capillary quartz tube (3), and the protective layer (13) is a support quartz tube (4) ).

[0044] The steps of the manufacturing method of the magneto-optical effect photonic crystal fiber of this embodiment are:

[0045] a. See figure ...

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Abstract

The invention provides a magneto-optic effect photon crystal fiber and manufacturing method thereof, wherein the fiber comprises a fiber core, a gas hole cladding layer and a covering layer, the fiber core material comprises pure quartz doping GeO2 having improved refractive index and rare earth Tb3, Al3 ions having increased Faraday magnetooptical effect, the gas hole cladding material comprises light quantum crystal structure capillary quartz tube in symmetrical hexagonal regular arrangement, the protective covering employs supported quartz tube. The optical fiber preparing process comprises the three steps of making doped terbium rare-earth optical fiber core stick, making optical fiber preformed stick and drawing magneto-optic effect photon crystal fiber.

Description

Technical field [0001] The invention relates to an optical fiber and a manufacturing method thereof, in particular to a magneto-optical effect photonic crystal fiber and a manufacturing method thereof. Background technique [0002] The photoelectric information functional material is the backbone of the modern information society and the leader of the information technology revolution. The magneto-optical material is one of the photoelectric information functional materials. Under the action of an external magnetic field, it can rotate the direction of plane polarized light passing through it to produce Faraday magnetism. Optical effect has broad application prospects in the fields of magneto-optical isolators, magneto-optical modulators, magneto-optical switches and optical fiber current sensors. With the rapid development of optical fiber communication and optical fiber sensing, more and more people pay attention. . Magneto-optical materials refer to optical information functio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03B37/012G02B6/13G02F1/095
CPCC03B37/0122C03B2201/31C03B2201/36C03B2203/14C03B2203/42
Inventor 王廷云范峥包华育卢军王克新
Owner SHANGHAI UNIV
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