Novel fabrication technology for active gain fibers

Jaesun Kim; Gaye Park; Seongmin Ju; Jaewan Han; Chanho Hwang; Hyunjoo Kim; Hyeyeon Lee; Junho Lee; Byungjoo Kong; Changhyun Jung; Seunghyun Park

doi:10.1117/12.2593689

18 April 2021 Novel fabrication technology for active gain fibers

Jaesun Kim, Gaye Park, Seongmin Ju, Jaewan Han, Chanho Hwang, Hyunjoo Kim, Hyeyeon Lee, Junho Lee, Byungjoo Kong, Changhyun Jung, Seunghyun Park

Author Affiliations +

Proceedings Volume 11773, Micro-structured and Specialty Optical Fibres VII; 117730K (2021) https://doi.org/10.1117/12.2593689
Event: SPIE Optics + Optoelectronics, 2021, Online Only

Abstract

Active gain fiber is a critical component to realize fiber laser sources for various applications such as cutting, welding and other material processing. To meet the requirement for various laser applications, the power scaling of fiber lasers is still concern, where active gain fiber is very important. There are several fabrication technologies for active fibers with low NA, large core diameter and high absorption, which characteristics for high power lasers are typically required. Here, novel fabrication technology based on VAD (Vapor Axial Deposition) for active fibers is introduced.

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Jaesun Kim, Gaye Park, Seongmin Ju, Jaewan Han, Chanho Hwang, Hyunjoo Kim, Hyeyeon Lee, Junho Lee, Byungjoo Kong, Changhyun Jung, and Seunghyun Park "Novel fabrication technology for active gain fibers", Proc. SPIE 11773, Micro-structured and Specialty Optical Fibres VII, 117730K (18 April 2021); https://doi.org/10.1117/12.2593689

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