English

Controlling rotationally-resolved two-dimensional infrared spectra with polarization

Optics 2024-01-23 v2 Chemical Physics

Abstract

Recent advancements in infrared frequency combs will enable recording of coherent two-dimensional infrared spectra of gas-phase molecules with rotational resolution (RR2DIR). We describe how RR2DIR spectra can be controlled with polarization to enhance or suppress certain features of the spectrum, with new polarization conditions unique to freely rotating molecules and absent in the condensed-phase. With the polarization control methods described here, RR2DIR spectroscopy can be a powerful tool for studying complex gas mixtures of polyatomic molecules.

Keywords

Cite

@article{arxiv.2206.10492,
  title  = {Controlling rotationally-resolved two-dimensional infrared spectra with polarization},
  author = {Grzegorz Kowzan and Thomas K. Allison},
  journal= {arXiv preprint arXiv:2206.10492},
  year   = {2024}
}

Comments

updated references, minor clarification; 6 pages, 4 figures

R2 v1 2026-06-24T11:58:44.686Z