A kind of optical fiber and its preparation method and preparation mold
A technology of optical fiber and mold, which is applied in the field of optical fiber and its preparation method and mold preparation, can solve the problems of poor heat dissipation and achieve the effect of high laser damage threshold
Active Publication Date: 2021-09-03
清远聚航光学材料有限公司
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[0006] The object of the present invention is to provide an optical fiber and its preparation method and preparation mold. The optical fiber of the present invention preserves the characteristics of crystalline materials while being prepared into an optical fiber. More specifically, if it is zinc selenide or doped Zinc selenide, while maintaining the excellent optical properties of the crystal, can also improve heat dissipation, which solves the problem of poor heat dissipation of traditional zinc selenide or doped zinc selenide optical devices. At the same time, the invention also discloses The preparation method of the optical fiber and the preparation mold
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Embodiment 1
[0022] see figure 1 , the present embodiment first explains the structure of the processing mold, the structure of the mold includes a heating furnace 1 and a cavity 2 for placing a preform 5 of crystal material arranged in the heating furnace 1, and the lower end of the cavity 2 is In the tapering part, the upper end of the cavity 2 is provided with an extruding mechanism 3 for pressing toward the cavity, and the lower end of the cavity 2 is provided with an optical fiber outlet 4 .
[0023] The specific preparation method of ZnSe optical fiber is
[0024] 1) Preparation of an optical fiber preform: a commercial ZnSe crystal rod (0.5x0.5x5 cm) is processed into a diameter of 3-4 mm by a spheronizer. A round stick with a length of 5 cm;
[0025] 2) Put the round rod into the designed mold and extrude it, and let the inert gas flow in to protect the entire material surface from being oxidized
[0026] Slowly increase the temperature from room temperature to 500°C;
[0027] ...
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Abstract
The present invention belongs to the field of optical fibers, specifically an optical fiber. The material of the optical fiber is a crystalline optical material. When the optical fiber of the present invention is prepared as an optical fiber, it preserves the characteristics of the crystalline material. More specifically, if Zinc selenide or doped zinc selenide can maintain the excellent optical properties of the crystal while improving heat dissipation, which solves the problem of poor heat dissipation of traditional zinc selenide or doped zinc selenide optical devices. At the same time, the invention also discloses a preparation method and a preparation mold of the optical fiber.
Description
technical field [0001] The invention relates to the field of optical fibers, in particular to an optical fiber, a preparation method thereof, and a preparation mold. Background technique [0002] As we all know, crystals have a melting point. Once the heating process reaches the melting point, the temperature curve of the object will have a plateau. The temperature curve will continue to rise after the object is completely melted. Amorphous glass has no melting point. That is because the molecules or atoms in the amorphous state are arranged irregularly. It does not need to destroy its spatial lattice after absorbing heat. As the temperature rises, the object begins to soften and melt slowly. This difference causes traditional optical fiber drawing to use only amorphous glass as a preform, and the glassy material is heated above the softening temperature for drawing. It is generally believed that it is impossible to draw a crystalline material. fiber optic. [0003] Silica...
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IPC IPC(8): C03B37/025
CPCC03B37/025
Inventor 王荣平严昆仑
Owner 清远聚航光学材料有限公司