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April 1, 2026Open Access

Improvement of corona-preionized TEA-CO2 laser and its application to non-destructive and remote inspection

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Authors

KNKeiji NakamuraCYChobei YamabeKHKenji Horii

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Overview

Improvement of TEA-CO2 laser enhances non-destructive inspection of electric insulators, indicating better fault detection.

Key Points

  • The aim is to improve the performance of corona-preionized TEA-CO2 lasers for non-destructive testing applications.
  • Improved laser output energy by superposing high-frequency corona discharge (HFCD) on the main discharge.
  • Utilized an SC-HFCD circuit to recycle residual energy for subsequent laser operations.
  • Employed the laser to excite the natural vibration of electric insulators.
  • Increased laser output energy allows for better inspection capabilities.
  • Distinct changes in vibrational amplitude correlate with cracks in insulators, improving detection accuracy.

Cite This Study

Nakamura et al. (1993) studied this question.

synapsesocial.com/papers/69cd7e935652765b073a97d4https://doi.org/10.18999/memsenu.44.2.177
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