Double Modulation Techniques In Fourier Transform Infrared Photoluminescence

F. Fuchs; A. Lusson; J. Wagner; P. Koidl

doi:10.1117/12.969482

1 December 1989 Double Modulation Techniques In Fourier Transform Infrared Photoluminescence

F. Fuchs, A. Lusson, J. Wagner, P. Koidl

Proceedings Volume 1145, 7th Intl Conf on Fourier Transform Spectroscopy; (1989) https://doi.org/10.1117/12.969482
Event: Seventh International Conference on Fourier and Computerized Infrared Spectroscopy, 1989, Fairfax, VA, United States

Abstract

FT photoluminescence is a powerful tool to study mid infrared emission. However, problems may arise from thermal background radiation. A new phase locked modulation technique is presented and will be compared with existing double modulation (lock-in) techniques. The basic idea in our new technique is to apply a phase sensitive excitation of the luminescence instead of phase sensitive detection to separate the luminescence spectra from dominant thermal background radiation. As examples, luminescence of ZnS:Ni and Hgo.73Cdo.27Te are studied.

Citation Download Citation

F. Fuchs, A. Lusson, J. Wagner, and P. Koidl "Double Modulation Techniques In Fourier Transform Infrared Photoluminescence", Proc. SPIE 1145, 7th Intl Conf on Fourier Transform Spectroscopy, (1 December 1989); https://doi.org/10.1117/12.969482

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