outside optical fiber cable and method of manufacturing the same

The present invention relates to an outdoor optical fiber cable, which comprises one optical fiber and an external sheath layer for covering the optical fiber. The optical fiber includes: a core; a clad layer for covering the core; a first protective layer formed of an acrylate-based material at the...

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Bibliographic Details
Main Authors KIM JUN HYONG, JUNG YOON SEOK, PARK IN CHUL, KIM SEUNG HUN, KIM HOE KYUNG, PARK KIU HA
Format Patent
LanguageEnglish
Korean
Published 02.06.2023
Subjects
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
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Summary:The present invention relates to an outdoor optical fiber cable, which comprises one optical fiber and an external sheath layer for covering the optical fiber. The optical fiber includes: a core; a clad layer for covering the core; a first protective layer formed of an acrylate-based material at the outside of the clad layer; a bending buffer layer formed by including at least one of Mg(OH)2, Talc, and CaCO3 at the outside of the first protective layer; and a unit sheath layer formed of a sheath material at the outside of the bending buffer layer. According to a manufacturing method of the outdoor optical fiber cable, optical loss due to bending can be suppressed, thereby alleviating restrictions on outdoor installation and use environments. 본 발명은 하나의 광섬유와, 상기 광섬유를 감싸는 외부 피복층을 구비하는 옥외용 광섬유 케이블에 있어서, 상기 광섬유는 코어와; 상기 코어를 감싸는 클래드층과; 상기 클래드층 외측에 아크릴레이트계 소재로 형성된 제1 보호층과; 상기 제1 보호층 외측에 Mg(OH)2, 탈크(Talc), CaCO3 중 적어도 하나를 포함하여 형성된 굽힘 완충층; 및 상기 굽힘 완충층 외측에 피복재료로 형성된 단위 피복층을 포함하고, 이러한 옥외용 광섬유 케이블 제조방법에 의하면, 굽힘에 의한 광손실을 억제할 수 있어 옥외에서의 포설 및 사용 환경에 대한 제약을 완화시킬 수 있는 장점을 제공한다.
Bibliography:Application Number: KR20210166156