Photoacoustic depth pro filing of ion-pairs in films using an approximation of inverse laplace transform

Akira Harata, Tsuguo Sawada

研究成果: Contribution to journalArticle査読

抄録

A simple approximation method for quantitative depth pro filing using photoacoustic spectroscopy has recently been proposed. This method adopts an approximation of the inversion of the Laplace transform in order to simplify the calculation of the depth-dependent optical absorption coefficient from PA frequency responses. The technique was successfully applied to the depth pro filing of ion-pair adsorbed polyvinylchloride films, in which the absorption coefficients vary continuously with depth. The results qualitatively corresponded to the microscopic cross sections of the films.

本文言語英語
ページ(範囲)225-227
ページ数3
ジャーナルJapanese Journal of Applied Physics
28
S1
DOI
出版ステータス出版済み - 1 1 1989
外部発表はい

All Science Journal Classification (ASJC) codes

  • 工学(全般)
  • 物理学および天文学(全般)

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