Mid-IR laser-based vibrational optical activity

Marcel Pfeifer; Steffen Lüdeke; Peer Fischer

doi:10.1117/12.906421

1 February 2012 Mid-IR laser-based vibrational optical activity

Marcel Pfeifer, Steffen Lüdeke, Peer Fischer

Proceedings Volume 8219, Biomedical Vibrational Spectroscopy V: Advances in Research and Industry; 821906 (2012) https://doi.org/10.1117/12.906421
Event: SPIE BiOS, 2012, San Francisco, California, United States

Abstract

Vibrational circular dichroism (VCD) and vibrational circular birefringence (VCB) spectra were recorded with a tunable external-cavity quantum-cascade laser (QCL). In comparison with standard thermal light sources, QCLs provide orders of magnitude more power and are therefore promising for vibrational optical activity (VOA) studies in strongly absorbing solvents and longer path length cells. The brightness of this novel light source is demonstrated with IR absorption, VCD and VCB measurements of (R)-(+)-limonene.

Citation Download Citation

Marcel Pfeifer, Steffen Lüdeke, and Peer Fischer "Mid-IR laser-based vibrational optical activity", Proc. SPIE 8219, Biomedical Vibrational Spectroscopy V: Advances in Research and Industry, 821906 (1 February 2012); https://doi.org/10.1117/12.906421

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