Double-cladding hollow-core anti-resonance optical fiber with heterostructure
A heterogeneous structure, anti-resonance technology, applied in cladding fiber, optical waveguide light guide, surgery, etc., can solve the problems of delay and time-consuming follow-up treatment, and achieve the effect of reducing limit loss and avoiding leakage
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[0043] Such as figure 1 As shown, the relevant parameters of a hollow-core anti-resonant optical fiber with a heterogeneous double cladding are as follows: the diameter of the air core 2 is 26.3-29.5 μm; the cladding tube 3 in the hollow-core anti-resonant optical fiber unit 1 The diameter is 17.945-19.258 μm; the long axis of the elliptical anti-resonant tube 4 nested in the cladding tube 3 in the hollow-core anti-resonant fiber unit 1 is 8.459-9.523 μm, the short axis is 4.9985-5.2465 μm, and the short The scale factor of the axis and the major axis is 0.6; the wall thickness of the cladding circular tube 3 in the hollow-core anti-resonance fiber unit 1 and the elliptical anti-resonance tube 4 nested therein is 0.17-0.19 μm; the hollow-core anti-resonance fiber The cladding tube 3 in the unit, the elliptical anti-resonance tube 4 nested in it, and the inner cladding 5 are made of pure quartz glass with a refractive index of 1.458; the outer cladding 7 is composed of 33 clos...
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