High bandwidth specialty optical fibers for data communications

Jie Li; Xiaoguang Sun

doi:10.1117/12.803556

11 November 2008 High bandwidth specialty optical fibers for data communications

Jie Li, Xiaoguang Sun

Proceedings Volume 7134, Passive Components and Fiber-based Devices V; 713412 (2008) https://doi.org/10.1117/12.803556
Event: Asia-Pacific Optical Communications, 2008, Hangzhou, China

Abstract

Perhaps the most common specialty optical fiber is HCS hard polymer clad silica fiber. It was invented almost 30 years ago for transmitting laser light to initiate explosives in mining industry and later adapted to be used in a variety of new applications, such as data communications. The most typical HCS fiber typically consists of a 200 μm pure silica glass core, a thin coating of low refractive index hard polymer as the cladding, and an ETFE buffer. This design enables the "crimp-and-cleave" technique of terminating and connectorizing fibers quickly and reliably. Its greater glass diameter also renders greater robustness allowing the fiber to endure greater forces during installation. Due to its larger core size and high numerical aperture (NA), the fiber can be used with a plastic connector and low cost LED transmitter that can greatly reduce the system cost. It can also be used at higher temperature and humidity conditions than standard optical fibers coated with telecommunications grade acrylate material. As applications evolve and require greater bandwidth and/or performance over a greater distance, the challenge now is to develop specialty optical fibers with significantly greater bandwidth-length product while maintaining all other characteristics critical to their ease of use and performance. As a response to the demand, two new fiber types have been designed and developed as higher bandwidth versions of the original HCS fiber. In this paper, we will discuss some of the main design requirements for the fibers, describe in detail the two designs, and present the results of fiber performance.

Citation Download Citation

Jie Li and Xiaoguang Sun "High bandwidth specialty optical fibers for data communications", Proc. SPIE 7134, Passive Components and Fiber-based Devices V, 713412 (11 November 2008); https://doi.org/10.1117/12.803556

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Optical fibers

Coating

Eye

Specialty optical fibers

Glasses

Cladding

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