Nested hollow-core anti-resonance optical fiber with crescent-shaped cladding
An anti-resonance, crescent-shaped technology, applied in the direction of multi-layer core/cladding optical fiber, cladding optical fiber, light guide, etc., can solve the problems of high fiber loss, not fully utilizing the advantages of negative curvature anti-resonant surface, etc., to achieve material dispersion Small influence, good single-mode transmission characteristics, flat dispersion effect
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[0029] figure 1 It is a schematic diagram of the cross-sectional structure of a nested hollow-core anti-resonant optical fiber with crescent-shaped cladding in the present invention.
[0030] In this embodiment, a crescent-shaped cladding nested hollow-core anti-resonant optical fiber has a structure such as figure 1 As shown, from the outside to the inside are the optical fiber outer tube 1, the cladding tube 2, and the air core 3.
[0031] The optical fiber outer tube 1 is the outermost layer of the hollow-core anti-resonant optical fiber, and wraps the cladding tube 2 and the air core 3 inside it.
[0032] The cladding tube includes a circular inner nesting cladding tube and a crescent-shaped outer cladding tube, the circular inner nesting cladding tube is suspended at the crescent position of the crescent-shaped outer cladding tube, and there is a certain gap and does not touch each other;
[0033] Wherein, the thickness of the circular inner nested cladding pipe 7 is t,...
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