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Metallic silver filled photonic crystal optical fiber capable of spontaneously generating SPR effect and preparation method thereof

A technology of photonic crystal fiber and metal silver, which is applied in the direction of cladding fiber, optical waveguide and light guide, etc., to achieve the effect of reducing complexity and cost, and simplifying the manufacturing process

Active Publication Date: 2019-02-01
NORTHEASTERN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is: aiming at the deficiencies of the prior art, avoiding the complex metal film manufacturing process, providing a metal silver-filled photonic crystal fiber and its manufacturing method that spontaneously generates the SPR effect, and the fiber can spontaneously generate the SPR effect

Method used

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  • Metallic silver filled photonic crystal optical fiber capable of spontaneously generating SPR effect and preparation method thereof
  • Metallic silver filled photonic crystal optical fiber capable of spontaneously generating SPR effect and preparation method thereof
  • Metallic silver filled photonic crystal optical fiber capable of spontaneously generating SPR effect and preparation method thereof

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Experimental program
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Effect test

Embodiment 1

[0049] A metallic silver-filled photonic crystal fiber that spontaneously produces the SPR effect, which is an optical fiber cladding structure, specifically including a core and a cladding, the core 3 is a solid silica glass rod, and the cladding includes a silica glass capillary 4 , air hole and silver wire 2, the air hole is divided into three types:

[0050] The first type: the pores 1 of the quartz glass capillary;

[0051] The second type: the gap 7 between the quartz glass capillary tubes;

[0052] The third type: the gap between the quartz glass capillary and the solid quartz glass rod;

[0053] The fiber core 3 is provided with multiple layers of quartz glass capillary tubes 4 around its vertical direction, and in the second layer of quartz glass capillary tubes, a silver wire 2 is provided in the pores of one of the quartz glass capillary tubes.

[0054] The air hole can make the effective refractive index of the cladding lower than that of the fiber core, so as to...

Embodiment 2

[0073] A metallic silver-filled photonic crystal fiber that spontaneously produces the SPR effect is the same as that in Embodiment 1.

[0074] A method for preparing a metal silver-filled photonic crystal fiber that spontaneously produces the SPR effect, the preparation process is shown in image 3 , including the following steps:

[0075] 1) designed as figure 1 The metal silver-filled photonic crystal fiber that spontaneously produces the SPR effect is shown, and the transmission performance of the metal silver-filled photonic crystal fiber that spontaneously produces the SPR effect is theoretically simulated according to the simulation software, and the metal silver-filled photonic crystal fiber that spontaneously produces the SPR effect is prepared. 150 µm diameter, core 3 and quartz glass capillary 4 diameter d 1 15 microns, the air hole diameter d of the pores of the quartz glass capillary 2 4.9 microns, the diameter d of the silver wire filling 3 is 7 microns. Cal...

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Abstract

Disclosed are a metallic silver filled photonic crystal optical fiber capable of spontaneously generating SPR effect and a preparation method thereof, and belongs to the technical field of optical fiber intelligent communication. The optical fiber comprises a fiber core and a cladding, the fiber core is a solid quartz glass rod, the cladding comprises a quartz glass capillary tube, an air hole, and a silver wire, a multilayer quartz glass capillary tubes are arranged around the longitudinal direction of the fiber core, and a silver wire is arranged at the air hole of one quartz glass capillarytube in the second layer quartz glass capillary tube. The preparation method is as follows: according to the design structure, the arrangement structure, and the drawing optical fiber, the prepared optical fiber can spontaneously generate the SPR effect. The method can prepare the photonic crystal optical fiber capable of spontaneously generating SPR effect of different air hole structures and sizes, no need to subsequently coat or fill the optical fiber, and the resonance peak position can be adjusted by adjusting the diameter of the air hole, filling the diameter of the silver wire and theouter diameter of the capillary tube, the performance is good, meanwhile the method has the advantages of simple structure, convenience in preparation, adjustable adjustment and the like, and can be applied to the manufacturing of various optical components.

Description

technical field [0001] The invention belongs to the technical field of optical fiber intelligent communication, relates to the manufacture of optical fiber devices, in particular to a metallic silver-filled photonic crystal optical fiber with SPR effect spontaneously generated and a manufacturing method thereof. Background technique [0002] In 1996, after Knight, J.C. and others successfully drew the first refractive index-guided photonic crystal fiber, photonic crystal fiber entered the field of vision of many researchers, aroused great enthusiasm for research, and brought new technologies to the field of scientific research. direction of development. Compared with traditional optical fibers, the structural design of photonic crystal fibers is more flexible, and can produce many "singular" characteristics, such as unlimited single-mode transmission, low loss, controllable dispersion, nonlinear characteristics, high birefringence characteristics, etc. , so photonic crystal...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B6/02
Inventor 程同蕾周雪李曙光闫欣
Owner NORTHEASTERN UNIV
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