Orientated molecular information from chiral rotational spectroscopy

Jörg B. Götte; Robert P. Cameron; Stephen M. Barnett

doi:10.1117/12.2253633

27 February 2017 Orientated molecular information from chiral rotational spectroscopy

Jörg B. Götte, Robert P. Cameron, Stephen M. Barnett

Author Affiliations +

Proceedings Volume 10120, Complex Light and Optical Forces XI; 101200N (2017) https://doi.org/10.1117/12.2253633
Event: SPIE OPTO, 2017, San Francisco, California, United States

Abstract

We present details on how the newly introduced technique of chiral rotational spectroscopy can be used to extract orientated information from otherwise freely rotating molecules in the gas phase. In this technique circularly polarized light is used to illuminate chiral molecules and shift their rotational levels to yield orientated chiroptical information via their rotational spectrum. This enables in particular the determination of the individual, physically relevant components of the orientated optical activity pseudotensor. Using the explicit example of (S)-propylene glycol we show how measuring the rotational spectrum of molecules in the microwave domain allows for the recording of a small set of rotational transitions from which the individual polarizability components can be determined.

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Jörg B. Götte, Robert P. Cameron, and Stephen M. Barnett "Orientated molecular information from chiral rotational spectroscopy", Proc. SPIE 10120, Complex Light and Optical Forces XI, 101200N (27 February 2017); https://doi.org/10.1117/12.2253633

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