Real double-beam FTIR spectroscopy by polarization modulation

Thierry Buffeteau; B. Desbat; E. Pere; J. M. Turlet

doi:10.1117/12.166572

31 January 1994 Real double-beam FTIR spectroscopy by polarization modulation

Thierry Buffeteau, B. Desbat, E. Pere, J. M. Turlet

Proceedings Volume 2089, 9th International Conference on Fourier Transform Spectroscopy; (1994) https://doi.org/10.1117/12.166572
Event: Fourier Transform Spectroscopy: Ninth International Conference, 1993, Calgary, Canada

Abstract

For transmission FT-IR spectroscopy of ultrathin films, we have developed a new double beam approach based on the technique of polarization modulation. Simultaneous recording of sample and reference interferograms makes detection insensitive to atmospheric (CO₂, H₂O) and substrate absorptions. In situ spectra of ultrathin films are obtained in a few minutes with high signal-to-noise ratio (S/N).

Citation Download Citation

Thierry Buffeteau, B. Desbat, E. Pere, and J. M. Turlet "Real double-beam FTIR spectroscopy by polarization modulation", Proc. SPIE 2089, 9th International Conference on Fourier Transform Spectroscopy, (31 January 1994); https://doi.org/10.1117/12.166572

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