Observation of optical chemical shift by precision nuclear spin optical rotation measurements and calculations

Junhui Shi, Suvi Ikäläinen, Juha Vaara, Michael V. Romalis

Research output: Contribution to journalArticle

21 Scopus citations

Abstract

Nuclear spin optical rotation (NSOR) is a recently developed technique for detection of nuclear magnetic resonance via rotation of light polarization, instead of the usual long-range magnetic fields. NSOR signals depend on hyperfine interactions with virtual optical excitations, giving new information about the nuclear chemical environment. We use a multipass optical cell to perform the first precision measurements of NSOR signals for a range of organic liquids and find clear distinction between proton signals for different compounds, in agreement with our earlier theoretical predictions. Detailed first-principles quantum mechanical NSOR calculations are found to be in agreement with the measurements.

Original languageEnglish (US)
Pages (from-to)437-441
Number of pages5
JournalJournal of Physical Chemistry Letters
Volume4
Issue number3
DOIs
StatePublished - Feb 7 2013

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Physical and Theoretical Chemistry

Keywords

  • NMR
  • hyperfine interactions
  • nuclear spin optical rotation
  • organic liquids

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