Research of light diffraction on electrically controlled multiplexed multilayer inhomogeneous holographic diffraction structures based on the photopolymerizing compositions with nematic liquid crystals

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We presented the developed analytical model of optical radiation diffraction on multiplexed multilayer inhomogeneous diffraction structures formed by the holographic method in photopolymerizing compositions with nematic liquid crystals having smooth optical heterogeneity in the thickness of the layers. By numerical calculation, it was shown that when using an applied electric field with different polarities to the diffraction layers, as well as varying the azimuth of the polarization of the reading beam, the angular selectivity of the diffracted beam can be transformed with a significant shift in angular selectivity, which makes it possible to increase the spectral bandwidth by 4 times compared to conventional multilayer diffraction structures.

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S. Sharangovich

Tomsk State University of Control and Radioelectronics Systems

编辑信件的主要联系方式.
Email: shr@tusur.ru
俄罗斯联邦, Tomsk

V. Dolgirev

Tomsk State University of Control and Radioelectronics Systems

Email: shr@tusur.ru
俄罗斯联邦, Tomsk

D. Rastrygin

Tomsk State University of Control and Radioelectronics Systems

Email: shr@tusur.ru
俄罗斯联邦, Tomsk

参考

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2. Fig. 1. Scheme of light diffraction on MNGDS with FPM-LCD.

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3. Fig. 2. Dependence of the DE of a multiplexed two-layer GDS on the reading wavelength and the value of the applied voltage with the same polarity when reading at extraordinary waves.

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4. Fig. 3. Dependence of the DE of a multiplexed two-layer GDS on the reading wavelength and the value of the applied voltage with different polarity when reading at extraordinary waves.

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5. Fig. 4. Dependence of the DE of a multiplexed two-layer GDS on the reading wavelength and the value of the applied voltage with the same polarity when reading with light radiation with a polarization azimuth of 30 degrees.

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6. Fig. 5. Dependence of the DE of a multiplexed two-layer GDS on the reading wavelength and the value of the applied voltage with different polarity when reading with light radiation with a polarization azimuth of 30 degrees.

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