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Ring-resonator-based frequency-domain optical activity measurements of a chiral liquid




Chiral liquids rotate the plane of polarization of linearly polarized light and are therefore optically active. Here we show that optical rotation can be observed in the frequency domain. A chiral liquid introduced in a fiber-loop ring resonator that supports left and right circularly polarized modes gives rise to relative frequency shifts that are a direct measure of the liquid's circular birefringence and hence of its optical activity. The effect is in principle not diminished if the circumference of the ring is reduced. The technique is similarly applicable to refractive index and linear birefringence measurements. (c) 2006 Optical Society of America.

Author(s): Vollmer, F and Fischer, Peer
Volume: 31
Number (issue): 4
Pages: 453-455
Year: 2006

Department(s): Micro, Nano, and Molecular Systems
Bibtex Type: Article (article)

DOI: 10.1364/OL.31.000453


  title = {Ring-resonator-based frequency-domain optical activity measurements of a chiral liquid},
  author = {Vollmer, F and Fischer, Peer},
  journal = {OPTICS LETTERS},
  volume = {31},
  number = {4},
  pages = {453-455},
  year = {2006}