Orientated molecular information from chiral rotational spectroscopy

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

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

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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.
Original languageEnglish
Title of host publicationComplex Light and Optical Forces XI
Place of PublicationBellingham, WA
Number of pages6
Volume10120
ISBN (Electronic)9781510606821
DOIs
Publication statusPublished - 27 Feb 2017

Publication series

NameProceedings of SPIE - International Society for Optical Engineering
PublisherSPIE
ISSN (Print)0277-786X

Keywords

  • chirality
  • molecular spectroscopy
  • rotational spectroscopy
  • microwabe spectroscopy

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