Surface Emission Fourier Transform Infrared Spectroscopy Using A Cooled Interferometer

D. L. Allara; D. Teicher

doi:10.1117/12.932133

29 October 1981 Surface Emission Fourier Transform Infrared Spectroscopy Using A Cooled Interferometer

D. L. Allara, D. Teicher

Proceedings Volume 0289, 1981 Intl Conf on Fourier Transform Infrared Spectroscopy; (1981) https://doi.org/10.1117/12.932133
Event: 1981 International Conference on Fourier Transform Infrared Spectroscopy, 1981, Columbia, United States

Abstract

We have obtained infrared emission spectra (600-2000 cm^-1) from room temperature samples of reflective metal substrates with organic overlayers using a liquid nitrogen cooled interferometeroequipped with a liquid helium cooled Ge:Cu detector. Overlayer thicknesses as low as ≈10 Å have given good spectra. Spectra were obtained with a modified Digilab 14-B interferometer operating at 2 cm^-1 resolution. The viewing angle of the sample was usually ≈55° from the surface normal and a polarizer was used in some runs to obtain improved signal to noise. The spectra were corrected for instrument response function, substrate background and thermal populations and emission efficiencies of excited vibrational states.

Citation Download Citation

D. L. Allara and D. Teicher "Surface Emission Fourier Transform Infrared Spectroscopy Using A Cooled Interferometer", Proc. SPIE 0289, 1981 Intl Conf on Fourier Transform Infrared Spectroscopy, (29 October 1981); https://doi.org/10.1117/12.932133

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