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Quantum-cascade laser-based vibrational circular dichroism

 
: Lüdeke, S.; Pfeifer, M.; Fischer, P.

:

Journal of the American Chemical Society 133 (2011), No.15, pp.5704-5707
ISSN: 0002-7863
ISSN: 1520-5126
English
Journal Article
Fraunhofer IPM ()
spectroscopy; QCL; VCD; light source; infrared

Abstract
Vibrational circular dichroism (VCD) spectra were recorded with a tunable external-cavity quantum-cascade laser (QCL). In comparison with standard thermal light sources in the IR, QCLs provide orders of magnitude more power and are therefore promising for VCD studies in strongly absorbing solvents. The brightness of this novel light source is demonstrated with VCD and IR absorption measurements of a number of compounds, including proline in water.

: http://publica.fraunhofer.de/documents/N-162317.html