• Title/Summary/Keyword: TEC(Thermal Expanded Core) Fiber

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Fabrication and Characterization of Thermal Expanded Core Fiber using the Flame Brushing Method (프레임 브러싱 방법을 이용한 열확산 코어 광섬유 제작 및 특성)

  • Kim, Jun-Hyong;Yang, Hoe-Young;Lee, Sang-Pil;Lee, Hyun-Yong
    • Journal of the Korean Institute of Electrical and Electronic Material Engineers
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    • v.20 no.12
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    • pp.1077-1081
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    • 2007
  • Thermal expanded core (TEC) fiber can reduce, being advantaged from thermal diffusion technology, connection loss by expanding the tolerance in relation to axial offset and gap when making optical connection having mode field diameter (MFD) of optical fiber expanded locally. In this paper, TEC fiber fabrication system based on the frame brushing techniques using twin-torch tip was designed and developed in order to maintain a stable thermal diffusion and single-mode when manufacturing TEC fiber. We were able to obtain that varied kinds of TEC fibers of which MFD could have been extended between $20\;{\mu}m$ and $40\;{\mu}m$ by TEC fiber fabrication system. In addition, the characteristic of connection loss was measured by alignment two TEC fibers of which MFD was $30\;{\mu}m$.

Fabrication and Aging effect of Micro OADM using Automatic Alignment System (자동 광축 정렬시스템을 이용한 초소형 광통신용 마이크로 OADM 제작 및 Aging effect)

  • S. K., Kim;Y. H., Seo;D. S., Choi;T. J., Jae;K. H., Whang
    • Proceedings of the Korean Society of Precision Engineering Conference
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    • 2004.10a
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    • pp.644-647
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    • 2004
  • Optical add/drop multiplexers (OADMs), one of the new network elements, will play a key role enabling greater connectivity and flexibility in the dense wavelength-division multiplexing (DWDM) networks. The importance of OADMs is that they allow the optical network to be local transmitting/extraction on a wavelength-by-wavelength basis to optimize traffic, efficient network utilization, network growth, and to enhance network flexibility. Also, the automatic assembly system of micro optical filters and fibers is a key technology in the development of optical modules with high functionality. Recently, one of remarkable tends in the development of optical communication industry is the miniaturization and integration of products. In this research, we have developed a system capable of automatic alignment of a film filter and a lensed fiber in order to improve the speed and losses in the optical fiber to filter alignment of optical modules. Using the developed automatic alignment system and silicon optical benches, we have fabricated the micro OADM and measured the insertion loss and aging effect.

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