Photothermal detection and imaging for evaluating corrosion: its basic characteristics

Tsutomu Hoshimiya; Ken-ya Ishikawa

doi:10.1117/12.523854

19 November 2003 Photothermal detection and imaging for evaluating corrosion: its basic characteristics

Tsutomu Hoshimiya, Ken-ya Ishikawa

Proceedings Volume 4829, 19th Congress of the International Commission for Optics: Optics for the Quality of Life; (2003) https://doi.org/10.1117/12.523854
Event: 19th Congress of the International Commission for Optics: Optics for the Quality of Life, 2002, Florence, Italy

Abstract

The method of detecting corrosion with a new photothermal electrochemical (PE) method that is based on the photothermal phenomenon, which can be effectively used to detect conductive surface defects in electrolyte solution, was applied to detect and image corrosions on a metal surface. PE images of surface corrosion on metal specimens were compared with images obtained by conventional PA microscopy. The basic characteristics of PE imaging device was studied on the dependence of electrolyte temperature, laser power and modulation frequency.

Citation Download Citation

Tsutomu Hoshimiya and Ken-ya Ishikawa "Photothermal detection and imaging for evaluating corrosion: its basic characteristics", Proc. SPIE 4829, 19th Congress of the International Commission for Optics: Optics for the Quality of Life, (19 November 2003); https://doi.org/10.1117/12.523854

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