期刊
APPLIED PHYSICS LETTERS
卷 91, 期 15, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.2800887
关键词
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资金
- Division Of Materials Research
- Direct For Mathematical & Physical Scien [844115] Funding Source: National Science Foundation
We demonstrate three-dimensional vibrational imaging of director structures in liquid crystals using coherent anti-Stokes Raman scattering (CARS) polarized microscopy. Spatial mapping of the structures is based on sensitivity of a polarized CARS signal to the orientation of anisotropic molecules in liquid crystals. As an example, we study structures in a smectic material and demonstrate that single-scan CARS and two-photon fluorescence images of molecular orientation patterns are consistent with each other and with the structure model.
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