Polarization-division beamsplitters with KBr and KRS-5 substrates were constructed and evaluated for their performance in Fourier transform infrared spectroscopy. It is found that the beamsplitter with a KRS-5 substrate is not practically useful; the one with a KBr substrate has good
potential, although its current performance is significantly poorer than the performance of a beamsplitter with a BaF2 substrate. Representative spectra obtained with a KBr beamsplitter are presented.
Department of Chemistry, Vanderbilt University, Nashville, Tennessee 37235 2:
ATI Instruments, 1001 Fourier Drive, Madison, Wisconsin 53717
Publication date: January 1, 1996
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