A new photothermal detection scheme based on a current-change in photothermally-enhanced electrochemical reaction is proposed and demonstrated. Nondestructive imaging of surface defects fabricated on a metal plate, immersed in an electrolyte, has been performed with a focused laser beam and detection apparatus of photoacoustic microscope (PAM). An imaging under the environment of electrolyte based on the principle of the detection was carried out with two- and tree terminal configurations, these results were compared with that obtained with conventional photoacoustic (PA) imaging.
Nondestructive evaluation of surface defects by the use of photothermal electrochemical imaging
Optical Engineering for Sensing and Nanotechnology (ICOSN '99) ; 1999 ; Yokohama,Japan
Proc. SPIE ; 3740
1999-05-07
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
British Library Conference Proceedings | 1994
|British Library Conference Proceedings | 2001
|Eddy Current Imaging for Nondestructive Evaluation
British Library Online Contents | 1990
|Nondestructive Evaluation of Non-Strand Defects in Stay Cable Specimens
Transportation Research Record | 2018
|