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(Color online) Chemical structure and geometrical isomers of .
Schematic top view of the infrared reflection-absorption spectroscopy system installed at UVSOR-II BL6B. Horizontally polarized parallel IRSR beam is introduced to the off-axis parabolic mirror (Ml, focal length: ) to be focused on the sample with an incident angle of 80° relative to the surface normal. The reflected IR beam is collected by the second off-axis parabolic mirror (M2, focal length: ) and guided to the third off-axis parabolic mirror (M3, focal length: ) to be focused on the detector. The ultrahigh vacuum sample preparation/measurement chamber is separated from the low vacuum mirror chambers by KRS-5 windows.
Thickness dependence of the IRAS spectra of an film on Ag surface.
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