1.5 m MANUFACTURING METHOD OF ULTRALONG UNIFORM AND SUBWAVELENGTH-DIAMETER OPTICAL FIBER

The present invention relates to a manufacturing method of an optical fiber, which comprises the steps of: manufacturing the optical fiber having a central portion, both end portions thicker than the central portion, and an inclined portion positioned between the central portion and the both portion...

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Bibliographic Details
Main Authors SHIN, HEE DEUK, PARK, KYUNG DEUK, LEE, DONG JIN, KIM, YOON HO, LEE, DONG WHA, LEE, KWANG JO, KIM, JIN HUN
Format Patent
LanguageEnglish
Korean
Published 31.07.2019
Subjects
CHEMISTRY
GLASS
MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
METALLURGY
MINERAL OR SLAG WOOL
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Summary:The present invention relates to a manufacturing method of an optical fiber, which comprises the steps of: manufacturing the optical fiber having a central portion, both end portions thicker than the central portion, and an inclined portion positioned between the central portion and the both portions; positioning a heating member in the central portion; and tensioning the optical fiber in the first direction and simultaneously moving the heating member in the second direction opposite the first direction to heat the optical fiber and increase the length of the central portion of the optical fiber. 본 발명의 일 실시예에 따른 광 섬유의 제조 방법은 중앙부, 상기 중앙부보다 두꺼운 양단부, 상기 중앙부와 양단부 사이에 위치하는 경사부를 가지는 광 섬유를 제조하는 단계, 상기 중앙부에 가열 부재를 위치시키는 단계, 상기 광 섬유를 제1 방향으로 인장하는 동시에 상기 가열 부재를 상기 제1 방향과 반대되는 제2 방향으로 이동시키며 상기 광 섬유를 가열하여 상기 광 섬유의 중앙부의 길이를 증가시키는 단계를 포함한다.
Bibliography:Application Number: KR20180007923