MULTI-CORE OPTICAL FIBER DRAWING DEVICE, MULTI-CORE OPTICAL FIBER DRAWING METHOD AND MULTI-CORE OPTICAL FIBER

A multi-core optical fiber drawing device, a multi-core optical fiber drawing method and a multi-core optical fiber. The multi-core optical fiber drawing device comprises a temperature control system (5), and a preheating furnace (1), a melting furnace (2), an extension furnace (3) and a slow releas...

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Bibliographische Detailangaben
Hauptverfasser:	WANG, Jianjiang, QI, Renbao, HAO, Changping, ZHANG, Gonghui, SHEN, Weitao, DONG, Zhihui, WANG, Yaling, HAN, Zewu, YAO, Yan, LI, Yongtong, GUO, Jie, YUAN, Jianchao, LI, Baodong, HUANG, Qiushi
Format:	Patent
Sprache:	chi ; eng ; fre
Schlagworte:	CHEMISTRY GLASS MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES METALLURGY MINERAL OR SLAG WOOL
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Beschreibung
Zusammenfassung:	A multi-core optical fiber drawing device, a multi-core optical fiber drawing method and a multi-core optical fiber. The multi-core optical fiber drawing device comprises a temperature control system (5), and a preheating furnace (1), a melting furnace (2), an extension furnace (3) and a slow release furnace (4), which are sequentially in communication with each other from top to bottom, wherein an upper end of the preheating furnace (1) is provided with a feeding port, and a lower end of the slow release furnace (4) is provided with a discharging port. A multi-core optical fiber preform is inserted into the preheating furnace (1) through the feeding port, and is preheated in the preheating furnace (1) and melted in the melting furnace (2) to form a multi-core optical fiber; and the multi-core optical fiber is discharged through the discharging port after being cooled in the extension furnace (3) and the slow-release furnace (4). The temperature control system (5) is in signal connection with the preheating f