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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics


  • Editors: Andrew Dunn and Anthony Durkin
  • Vol. 8, Iss. 6 — Jun. 27, 2013

Imaging of director fields in liquid crystals using stimulated Raman scattering microscopy

Taewoo Lee, Haridas Mundoor, Derek G. Gann, Timothy J. Callahan, and Ivan I. Smalyukh  »View Author Affiliations

Optics Express, Vol. 21, Issue 10, pp. 12129-12134 (2013)

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We demonstrate an approach for background-free three-dimensional imaging of director fields in liquid crystals using stimulated Raman scattering microscopy. This imaging technique is implemented using a single femtosecond pulsed laser and a photonic crystal fiber, providing Stokes and pump frequencies needed to access Raman shifts of different chemical bonds of molecules and allowing for chemically selective and broadband imaging of both pristine liquid crystals and composite materials. Using examples of model three-dimensional structures of director fields, we show that the described technique is a powerful tool for mapping of long-range molecular orientation patterns in soft matter via polarized chemical-selective imaging.

© 2013 OSA

OCIS Codes
(160.3710) Materials : Liquid crystals
(180.6900) Microscopy : Three-dimensional microscopy
(290.5910) Scattering : Scattering, stimulated Raman
(300.6230) Spectroscopy : Spectroscopy, coherent anti-Stokes Raman scattering
(180.4315) Microscopy : Nonlinear microscopy
(180.5655) Microscopy : Raman microscopy

ToC Category:

Original Manuscript: April 2, 2013
Revised Manuscript: April 26, 2013
Manuscript Accepted: April 27, 2013
Published: May 10, 2013

Virtual Issues
Vol. 8, Iss. 6 Virtual Journal for Biomedical Optics

Taewoo Lee, Haridas Mundoor, Derek G. Gann, Timothy J. Callahan, and Ivan I. Smalyukh, "Imaging of director fields in liquid crystals using stimulated Raman scattering microscopy," Opt. Express 21, 12129-12134 (2013)

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