By Andrew D. Yablon
This publication is an updated remedy of optical fiber fusion splicing incorporating the entire fresh recommendations within the box. It presents a toolbox of basic suggestions and particular ideas that the reader can practice whilst optimizing fusion splices among novel fibers. It particularly addresses issues very important for fusion splicing of up to date area of expertise fibers together with dispersion compensating fiber, erbium-doped achieve fiber, polarization holding fiber, and microstructured fiber. ultimately, it discusses the way forward for optical fiber fusion splicing together with silica and non-silica dependent optical fibers in addition to the rage towards expanding automation. while serving as a self-contained reference paintings, plentiful citations from the technical literature will allow readers to easily find basic sources.
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Extra resources for Optical Fiber Fusion Splicing
C) Poor quality cleave with an end angle greater than 2◦ . Dirt on the reference optical ﬂat is visible in all three interferograms. The operating wavelength of this interferometer is about 650 nm so each degree of end face angle corresponds to about 7 fringes loss observed between diﬀerent splices fabricated using the same splice parameters is due to variation in cleave quality. There are several ways in which a poor cleave can reduce the quality of the resulting splice. It can compromise the performance of image processing routines that perform ﬁber alignment.
39]. This result served as the basis for many future commercial loss estimation routines. 40]. However, the ﬁbers could only be spliced one at a time. 41]. In the early days of optical ﬁber fusion splicing, most researchers assumed that it was impossible to achieve a fusion splice whose failure strength matched that of the original ﬁber. 10]. This result was achieved using an oxy-hydrogen ﬂame as the heat source in conjunction with chlorine gas to suppress the deleterious eﬀects of water vapor on ﬁber strength.
Future long-distance optical ﬁber networks may employ dispersion-engineered spans in which a span is constructed from alternating sections of two distinct ﬁber designs in order to achieve a low pathaveraged dispersion. 25 dB so splice losses will play an even greater role in the loss budget. In shorter reach systems, such as metropolitan-area networks, shorter cable lengths result in more frequent fusion splices and so contribute a larger fraction to the loss budget and also a larger fraction to the installation cost than in long-distance systems.