We reviewed the basics of optical fiber splicing and introduced advanced splicing technologies. The splicing technologies of optical fibers are indispensable to the evolution of such optical fiber applications as optical communications, optical fiber components, and optical fiber sensors. In this paper, we review the theories of the splicing loss of optical fibers, the basics of arc-fusion splicing technologies, and such recent advances on arc-fusion splicers as a new high-performance splicer

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... r telecom optical fibers and a new splicer applicable to a wide range of specialty fibers. The basics of optical connector technologies are reviewed as well as recent advances on optical fiber connectors such as optical fiber connectors for FTTH and optical interconnections.