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Two-dimensional holographic polarization grating formed on azo-dye-doped polyvinyl alcohol films
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10.1063/1.2907959
/content/aip/journal/jap/103/8/10.1063/1.2907959
http://aip.metastore.ingenta.com/content/aip/journal/jap/103/8/10.1063/1.2907959

Figures

Image of FIG. 1.
FIG. 1.

Experimental setup for fabricating a periodic spatially rotating linear polarization pattern obtained by the interference of two OC polarized beams from an laser (wavelength of ) to produce a 1D polarization hologram.

Image of FIG. 2.
FIG. 2.

Simple 2D holographic grating array, obtained by orthogonally overlaying two 1D polarization holograms.

Image of FIG. 3.
FIG. 3.

Simulated images of 2D holographic grating array observed between crossed-polarizers [(a) and (b)] and parallel-polarizers [(c) and (d)]. In (b) and (d), the grating vector of the cell makes an angle of 45° with the polarizer.

Image of FIG. 4.
FIG. 4.

Simulated diffraction patterns of 2D grating array under (a) and (b) .

Image of FIG. 5.
FIG. 5.

POM images of fabricated 2D grating array obtained between crossed-polarizers [(a) and (b)] and parallel-polarizers [(c) and (d)]. In (b) and (d), the grating vector of the cell makes an angle of 45° with the polarizer.

Image of FIG. 6.
FIG. 6.

Diffraction patterns of 2D HPG obtained with (a) no analyzer, (b) , and (c) , where and indicate that the polarizer and the analyzer are placed in front of and behind the grating, respectively.

Image of FIG. 7.
FIG. 7.

Diffraction efficiencies of zeroth-, U1st-, D1st-, R1st-, and L1st-order beams, measured as analyzer is rotated to make an angle with the polarizer axis.

Image of FIG. 8.
FIG. 8.

Variation of diffraction efficiency with applied ac voltage from a 2D HPG, probed using an He–Ne laser.

Tables

Generic image for table
Table I.

Polarization modulation patterns produced by the interference of two coherent beams with orthogonal linear (OL) and (OC) polarizations.

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/content/aip/journal/jap/103/8/10.1063/1.2907959
2008-04-25
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Two-dimensional holographic polarization grating formed on azo-dye-doped polyvinyl alcohol films
http://aip.metastore.ingenta.com/content/aip/journal/jap/103/8/10.1063/1.2907959
10.1063/1.2907959
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