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Figure 2
Comparison of the fluxes in the far IR spectral range at the micro-spectroscopy endstation. Using the IR synchrotron radiation the signal intensity is about one order of magnitude higher than using the internal Globar source. An r.m.s. noise of better than 0.1% is achieved from the synchrotron source in the range 150–550 cm−1, as indicated by the 100% line, the ratio of two subsequently recorded spectra, each spectrum with an average of 128 individual interferometric scans. The signal is recorded with the square knife aperture set to 100 µm × 100 µm using the Si bolometer.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 31| Part 3| May 2024| Pages 613-621
https://doi.org/10.1107/S1600577524002753
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