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High efficiency reflective liquid crystal polarization gratings
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10.1063/1.3197011
/content/aip/journal/apl/95/9/10.1063/1.3197011
http://aip.metastore.ingenta.com/content/aip/journal/apl/95/9/10.1063/1.3197011
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Cross-sectional view of the reflective LCPG (a) under no external field and, (b) when a voltage much larger than the threshold voltage is applied. (c) Geometry and diffraction notation for incident monochromatic light.

Image of FIG. 2.
FIG. 2.

(a) Diffraction efficiencies and Reflectance for the ±1 and 0 orders. (b) Electrical switching times. (c) First-order contrast-ratio measured at different voltages. Incident angle was fixed at 5° and probe was a He–Ne laser at 633 nm.

Image of FIG. 3.
FIG. 3.

Diffraction efficiencies of the (a) and (b) −1 reflected orders for different input polarization, as set by the rotation of a QWP (circles) and HWP (squares) respectively. Angle of incidence was fixed at 5°. (c) Comparison of measured (markers) and simulated (lines) diffraction efficiencies of reflective LCPGs at various incident angles for linearly polarized light input. A He–Ne laser was used for all the measurements.

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/content/aip/journal/apl/95/9/10.1063/1.3197011
2009-09-03
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: High efficiency reflective liquid crystal polarization gratings
http://aip.metastore.ingenta.com/content/aip/journal/apl/95/9/10.1063/1.3197011
10.1063/1.3197011
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