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Proceedings Paper

Applications of step-scan FTIR photoacoustic depth profiling
Author(s): Rebecca M. Dittmar; Richard Alan Palmer; James L. Chao
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Paper Abstract

The use of step-scan Fourier transform infrared (FT-IR) spectroscopy combined with photoacoustic (PA) detection is used to depth profile laminated polymeric materials. Depth profiling can be performed using a combination of the modulation frequency dependence and phase lag of the PA signal.

Paper Details

Date Published: 1 March 1992
PDF: 2 pages
Proc. SPIE 1575, 8th Intl Conf on Fourier Transform Spectroscopy, (1 March 1992); doi: 10.1117/12.56297
Show Author Affiliations
Rebecca M. Dittmar, Duke Univ. (United States)
Richard Alan Palmer, Duke Univ. (United States)
James L. Chao, IBM Corp. (United States)

Published in SPIE Proceedings Vol. 1575:
8th Intl Conf on Fourier Transform Spectroscopy

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