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AssigneesHuawei Technologies Co., Ltd., Beijing University of Chemical Technology
InventorsZemeng Sun, Hongyu CHEN, Botong Qiu, Daming Wu, Xiaolong Gao
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An optical fiber and a method for preparing an optical fiber is described. A refractive index difference between at least two points in a cross section of the optical fiber is greater than or equal to 0.01, at least five groups of points in the cross section meet a preset condition, a kth group of points in the at least five groups of points include a point xk and a point yk, the point xk and the point yk are any point in the cross section, the preset condition includes nxk−nyk≥0.001 and rxk−ryk<0, nxk is a refractive index of the point xk, nyk is a refractive index of the point yk, rxk is a distance from the point xk to a center of the cross section, ryk is a distance from the point yk to the center of the cross section, and k is a positive integer greater than or equal to 1.
An optical fiber, wherein a refractive index difference between at least two points in a cross section of the optical fiber is greater than or equal to 0.01, at least five groups of points in the cross section meet a preset condition, a kth group of points in the at least five groups of points comprise a point xk and a point yk, the point xk and the point yk are any point in the cross section, the preset condition comprises nxk−nyk≥0.001 and rxk−ryk<0, nxk is a refractive index of the point xk, nyk is a refractive index of the point yk, rxk is a distance from the point xk to a center of the cross section, ryk is a distance from the point yk to the center of the cross section, and k is a positive integer greater than or equal to 1.
A method for preparing an optical fiber, comprising:
A communication medium, comprising an external sleeve and an optical fiber, wherein a refractive index difference between at least two points in a cross section of the optical fiber is greater than or equal to 0.01, at least five groups of points in the cross section meet a preset condition, a kth group of points in the at least five groups of points comprise a point xk and a point yk, the point xk and the point yk are any point in the cross section, the preset condition comprises nxk−nyk≥0.001 and rxk−ryk<0, nxk is a refractive index of the point xk, nyk is a refractive index of the point yk, rxk is a distance from the point xk to a center of the cross section, ryk is a distance from the point yk to the center of the cross section, and k is a positive integer greater than or equal to 1, or the optical fiber in the communication medium is prepared by using a method, wherein the method comprises:
An optical module, comprising an optical-to-electrical converter and an optical fiber, wherein a refractive index difference between at least two points in a cross section of the optical fiber is greater than or equal to 0.01, at least five groups of points in the cross section meet a preset condition, a kth group of points in the at least five groups of points comprise a point xk and a point yk, the point xk and the point yk are any point in the cross section, the preset condition comprises nxk−nyk≥0.001 and rxk−ryk<0, nxk is a refractive index of the point xk, nyk is a refractive index of the point yk, rxk is a distance from the point xk to a center of the cross section, ryk is a distance from the point yk to the center of the cross section, and k is a positive integer greater than or equal to 1, or the optical fiber in the optical module is prepared by using a method, wherein the method comprises:
Dependencies are inferred from the claim text.