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Spatial tuning of laser emission in a dye-doped cholesteric liquid crystal wedge cell
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10.1063/1.2841820
/content/aip/journal/apl/92/5/10.1063/1.2841820
http://aip.metastore.ingenta.com/content/aip/journal/apl/92/5/10.1063/1.2841820
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(a) Photographic picture of the sample cell. Cano dislocation lines are observed with a typical spacing of . (b) The schematic diagram of the wedge cell with the half-turns of helical pitch.

Image of FIG. 2.
FIG. 2.

The optical reflection spectra of the stopband (black curve), the fluorescence spectra with the lasing peak (red curve), and the density of mode spectra (dotted curve) are shown. The inset shows the lasing intensity as a function of the pump beam intensity.

Image of FIG. 3.
FIG. 3.

The spectra of both lasing wavelength and stopband are shown simultaneously as the pump beam position is translated along the -axis direction.

Image of FIG. 4.
FIG. 4.

The peak lasing wavelength is plotted as a function of the pump beam position on the wedge cell.

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/content/aip/journal/apl/92/5/10.1063/1.2841820
2008-02-06
2014-04-23
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Spatial tuning of laser emission in a dye-doped cholesteric liquid crystal wedge cell
http://aip.metastore.ingenta.com/content/aip/journal/apl/92/5/10.1063/1.2841820
10.1063/1.2841820
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