Development Background The recent proliferation of AI and cloud services has driven a continuous increase in transmission capacity for optical communications linking submarine cables and data centers. However, the transmission capacity of conventional optical fiber is nearing its limits. As a solution, “multicore fibers,” which independently accommodate multiple cores (optical transmission paths) within a single fiber, are gaining attention.
Product Features The MT9100A features a unique mechanism that synchronizes the operation of four OTDR channels. Primarily designed for multicore fiber R&D and manufacturing applications, it offers the following three key features:
Distribution Measurement of Core-to-Core Crosstalk
The MT9100A can measure and display core-to-core crosstalk as a spatial distribution along the fiber length. By visualizing areas where crosstalk locally increases and the amount of crosstalk increase in any given section, it contributes to optimizing fiber installation conditions.
Improved Workability with Single-End Measurement
The MT9100A enables measurement at one end of the multicore fiber. This eliminates the need to position operators at both ends during field tests where fiber ends are far apart, significantly reducing time and labour during installation and operation.
Enhanced Productivity for Multicore Fibers
The MT9100A enables simultaneous measurement of transmission loss, return loss, and core-to-core crosstalk – essential quality evaluation parameters for multicore fibers – or up to four cores without reconnecting. This allows faster inspection than with the conventional crosstalk evaluation method.
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