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Fluorescent light source with continuously tunable polarization via modification of molecular orientation
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10.1063/1.4819020
/content/aip/journal/jap/114/8/10.1063/1.4819020
http://aip.metastore.ingenta.com/content/aip/journal/jap/114/8/10.1063/1.4819020
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

The order parameter, , of the molecular transition dipole moment for a planar cell. and indicate the fluorescent intensities along parallel and perpendicular to the rubbing direction, respectively.

Image of FIG. 2.
FIG. 2.

Cell configuration and LC alignment in each state. The detector, polarizer, and QWP (4/λ plate) are for measuring the degree of polarization. Microscopic images are inserted in each state. (a) Helicoidal state, (b) electrically unwound state, and (c) FC state.

Image of FIG. 3.
FIG. 3.

PL intensity as a function of wavelength in various polarizer axes. The inset graphs in polar coordinates represent the intensity profile with the polarizer axis at 510 nm. The two photo images were taken at the brightest and darkest angles. (a) Helicoidal state, (b) unwound state, (c) and (d) FC state, (e) IFC state, and (f) incompletely unwound state.

Image of FIG. 4.
FIG. 4.

(a) The degree of circular polarization with respect to wavelength in the helicoidal, FC, and IFC states. (b) The degree of linear polarization with respect to wavelength in the unwound, FC, and incompletely unwound states. (c) The degree of circular polarization in various states. (d) The degree of linear polarization in various states.

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/content/aip/journal/jap/114/8/10.1063/1.4819020
2013-08-26
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Fluorescent light source with continuously tunable polarization via modification of molecular orientation
http://aip.metastore.ingenta.com/content/aip/journal/jap/114/8/10.1063/1.4819020
10.1063/1.4819020
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