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IEICE TRANSACTIONS on Communications

Open Access
Non-Destructive Inspection of Twisted Wire in Resin Cover Using Terahertz Wave

Masaki NAKAMORI, Yukihiro GOTO, Tomoya SHIMIZU, Nazuki HONDA

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Summary :

We proposed a new method for evaluating the deterioration of messenger wires by using terahertz waves. We use terahertz time-domain spectroscopy to measure several twisted wire samples with different levels of deterioration. We find that each twisted wire sample had a different distribution of reflection intensity which was due to the wires' twist structure. We show that it is possible to assess the degradation from the straight lines present in the reflection intensity distribution image. Furthermore, it was confirmed that our method can be applied to wire covered with resin.

Publication
IEICE TRANSACTIONS on Communications Vol.E105-B No.10 pp.1202-1208
Publication Date
2022/10/01
Publicized
2022/04/13
Online ISSN
1745-1345
DOI
10.1587/transcom.2021EBP3138
Type of Manuscript
PAPER
Category
Transmission Systems and Transmission Equipment for Communications

Authors

Masaki NAKAMORI
  NTT Corporation
Yukihiro GOTO
  NTT Corporation
Tomoya SHIMIZU
  NTT Corporation
Nazuki HONDA
  NTT EAST

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