Ultra-large positive dispersion ZBLAN fluoride photonic crystal optical fiber
A technology of photonic crystal fiber and positive dispersion, which is applied in the direction of cladding fiber, optical waveguide and light guide, etc., can solve the problems of narrow mode-locked pulse and fluoride fiber dispersion that cannot be compensated, and achieves easy process, simple structure and process, and can good transplantability
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[0019] The technical solutions in this embodiment will be described clearly and completely in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.
[0020] The ZBLAN fluoride photonic crystal fiber with super large positive dispersion in this embodiment is made of 53ZrF 4 -20BaF 2 -4LaF 3 -3AlF 3 -20NaF.
[0021] Such as figure 1 As shown, the optical fiber includes a core 1, an inner cladding layer 2 covering the core 1 and an outer cladding layer 3 covering the inner cladding layer 2. In the same section of the optical fiber, the inner cladding layer 2 is composed of two layers of small air The regular hexagonal s...
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