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15 cm-1 to 12 000 cm-1 spectral coverage without changing optics: Diamond beam splitter adaptation of an FTIR spectrometer

Strelnikov, Dmitry; Kern, Bastian; Sürgers, Christoph; Kappes, Manfred M.

Abstract: In order to facilitate IR absorption measurements, we have upgraded our Bruker IFS66v/S Fourier-transform infrared (FTIR) spectrometer. A synthetic diamond beam splitter without compensator plate and UHV diamond viewports was installed. We have also modified the IR detector chamber to allow measurements with 5 different detectors. As a result we can now obtain FT absorption spectra from 12 000 cm-1 to 15 cm-1 with the same sample held under ultrahigh vacuum conditions, simply by switching between appropriate IR detectors. We demonstrate the performance of the upgraded FTIR spectrometer by presenting measurements of matrix isolated fullerene ions and an adhesive tape.

Zugehörige Institution(en) am KIT Institut für Physikalische Chemie (IPC)
Physikalisches Institut (PHI)
Publikationstyp Zeitschriftenaufsatz
Jahr 2017
Sprache Englisch
Identifikator DOI: 10.1063/1.4976744
ISSN: 0034-6748, 1089-7623
KITopen ID: 1000066922
Erschienen in Review of scientific instruments
Band 88
Heft 2
Seiten 023118
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