Metal silver filled photonic crystal fiber with spontaneous spr effect and its preparation method
A photonic crystal fiber, metallic silver technology, applied in cladding fiber, optical waveguide light guide, etc., to achieve the effect of simple production process, reduced complexity and cost
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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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