Analyzing Deterioration in Optical Performance of Fiber Connections with Refractive Index Matching Material Using Incorrectly Cleaved Fiber Ends

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概要

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• We experimentally investigate and analyze faults in optical fiber connections with refractive index matching material that have incorrectly cleaved fiber ends. We explain that incorrectly cleaved fiber ends, which are not ideal because they are uneven and not perpendicular to the fiber axis, are caused by defective optical fiber cleavers. We discover that the optical performance of field installable connections using incorrectly cleaved fiber ends might change greatly. We also infer that the significant change in insertion and return losses might be attributed to partially air-filled gaps by using scatter diagrams of measured insertion and return losses. Our experiment results reveal that the optical performance might deteriorate to more than 40dB in terms of insertion loss and less than 30dB in terms of return loss.

著者

• Kihara Mitsuru

  Ntt Access Network Service Systems Laboratories Ntt Corporation

• WATANABE Hiroshi

  Technical Assistance and Support Center, NTT East Corporation

• YAJIMA Yuichi

  Technical Assistance and Support Center, NTT East Corporation

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• Analyzing Deterioration in Optical Performance of Fiber Connections with Refractive Index Matching Material Using Incorrectly Cleaved Fiber Ends

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