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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 38, Iss. 20 — Oct. 15, 2013
  • pp: 4085–4087

Ultrahigh-order mode-assisted determination of enantiomeric excess in chiral liquids

Xianping Wang, Cheng Yin, Honggen Li, Minghuang Sang, Wen Yuan, and Zhuangqi Cao  »View Author Affiliations

Optics Letters, Vol. 38, Issue 20, pp. 4085-4087 (2013)

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A chiral liquid, whose constituent molecules lack mirror symmetry, exhibits a minor differential refractive index (RI) between the two circular polarization components. Theoretical analysis shows that the ultrahigh-order modes excited in a symmetrical metal-cladding waveguide (SMCW) are polarization-independent and have a highly sensitive response to the RI variation. We report the observation of circular differential reflectivity in a chiral liquid-filled SMCW and propose an alternative simple technique capable of determining enantiomeric excess with high sensitivity.

© 2013 Optical Society of America

OCIS Codes
(120.5700) Instrumentation, measurement, and metrology : Reflection
(230.7390) Optical devices : Waveguides, planar
(260.5740) Physical optics : Resonance
(160.1585) Materials : Chiral media

ToC Category:

Original Manuscript: August 8, 2013
Revised Manuscript: September 10, 2013
Manuscript Accepted: September 10, 2013
Published: October 9, 2013

Xianping Wang, Cheng Yin, Honggen Li, Minghuang Sang, Wen Yuan, and Zhuangqi Cao, "Ultrahigh-order mode-assisted determination of enantiomeric excess in chiral liquids," Opt. Lett. 38, 4085-4087 (2013)

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