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Angular and wavelength selectivity of parasitic holograms in cerium doped strontium barium niobate
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10.1063/1.1815383
/content/aip/journal/jap/96/12/10.1063/1.1815383
http://aip.metastore.ingenta.com/content/aip/journal/jap/96/12/10.1063/1.1815383

Figures

Image of FIG. 1.
FIG. 1.

Experimental setup for recording and reconstructing parasitic holograms. SF is a spatial filter, L is a lens, ES’s are electromechanical shutters, BS’s are beam splitters, is a half-wave plate, P is a polarizer, SBN is the investigated crystal, and PD1 and PD2 are silicon photodiodes.

Image of FIG. 2.
FIG. 2.

Far-field intensity distribution of the amplified scattered light for a pump beam with propagating through the sample SBN1 at room temperature. The + axis of the crystal points to the right. The pump beam is centered at the white spot shown to the right of the fanned light (hatched region). The screen was at a distance of behind the sample. The scale at the bottom is in millimeters and is valid for the height and the width of the screen. The bottom graph depicts the intensity distribution along the white line indicated in the photograph. The dashed line represents the border between positive and negative half space.

Image of FIG. 3.
FIG. 3.

Transmission as a function of the rotation angle at (a) for parasitic holograms written in SBN1 and SBN2 and at (b) during the reconstruction of parasitic holograms recorded in the sample SBN1. Note the difference in the scale of transmission in both figures. All rotation angles are given inside the crystal throughout this paper. denotes the recording geometry.

Image of FIG. 4.
FIG. 4.

Asymmetry parameter deduced from the experimental data for SBN1.

Image of FIG. 5.
FIG. 5.

Transmission as a function of the rotation angle at (a) for parasitic holograms written in SBN1 and SBN2 and at (b) during the reconstruction of parasitic holograms recorded in the sample SBN1.

Image of FIG. 6.
FIG. 6.

Schematic view of the intensity distribution in the reciprocal space for SBN. (a) Three dimensional representation of the real (right hemisphere) and conjugate (left hemisphere) images, (b) cut perpendicular to the and (c) directions, respectively. Here, we assumed that the refractive-index changes are equally distributed along the hemispherical surface; the dashed lines represent exact Bragg matching, and the solid circle represents the corresponding cuts of the Ewald sphere for .

Image of FIG. 7.
FIG. 7.

Schematic view of the structure factor near the origin of reciprocal space for SBN in a cut perpendicular to . The lines represent the Ewald spheres for at .

Image of FIG. 8.
FIG. 8.

Simulation of the transmission as a function of rotation angle for (a) and two different values of the sample thickness and (b) , with .

Image of FIG. 9.
FIG. 9.

Simulation of the transmission as a function of rotation angle for (a) and two different values of the sample thickness and (b) , with .

Tables

Generic image for table
Table I.

Dimensions of the SBN61:Ce samples used, denoting the thickness.

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/content/aip/journal/jap/96/12/10.1063/1.1815383
2004-12-02
2014-04-16
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Angular and wavelength selectivity of parasitic holograms in cerium doped strontium barium niobate
http://aip.metastore.ingenta.com/content/aip/journal/jap/96/12/10.1063/1.1815383
10.1063/1.1815383
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