Quickly updatable hologram images with high performance photorefractive polymer composites

Tsutsumi, Naoto; Kinashi, Kenji; Nonomura, Asato; Sakai, Wataru

doi:10.1117/12.913763

Cited by 3 publications

(1 citation statement)

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“…Recently Peyghambarian’s group developed updatable holographic displays using large area photorefractive polymers based on PATPD polymer [ 6 , 7 , 8 ] and the stereographic technique. We have demonstrated two dimensional images were recorded in the photorefractive polymers and simultaneously reconstructed using a probe beam [ 9 ]. Without applying external electric field, real-time holographic recording and simultaneous reconstructing was demonstrated [ 10 ].…”

Section: Introductionmentioning

confidence: 99%

Quickly Updatable Hologram Images Using Poly(N-vinyl Carbazole) (PVCz) Photorefractive Polymer Composite

et al. 2012

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Quickly updatable hologram images using photorefractive (PR) polymer composite based on poly(N-vinyl carbazole) (PVCz) is presented. PVCz is one of the pioneer materials of photoconductive polymers. PR polymer composite consists of 44 wt % of PVCz, 35 wt % of 4-azacycloheptylbenzylidene-malonitrile (7-DCST) as a nonlinear optical dye, 20 wt % of carbazolylethylpropionate (CzEPA) as a photoconductive plasticizer and 1 wt % of 2,4,7-trinitro-9-fluorenone (TNF) as a sensitizer. PR composite gives high diffraction efficiency of 68% at E = 45 V μm−1. Response speed of optical diffraction is the key parameter for real-time 3D holographic display. The key parameter for obtaining quickly updatable holographic images is to control the glass transition temperature lower enough to enhance chromophore orientation. Object image of the reflected coin surface recorded with reference beam at 532 nm (green beam) in the PR polymer composite is simultaneously reconstructed using a red probe beam at 642 nm. Instead of using a coin object, an object image produced by a computer was displayed on a spatial light modulator (SLM) and used for the hologram. The reflected object beam from an SLM was interfered with a reference beam on PR polymer composite to record a hologram and simultaneously reconstructed by a red probe beam.

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Section: Introductionmentioning

confidence: 99%

Quickly Updatable Hologram Images Using Poly(N-vinyl Carbazole) (PVCz) Photorefractive Polymer Composite

et al. 2012

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A Review of Dynamic Holographic Three-Dimensional Display: Algorithms, Devices, and Systems

Pan

Liu

et al. 2016

IEEE Trans. Ind. Inf.

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Investigation of glass transition kinetics in C₆₀-doped carbazole-based photorefractive polyacrylates

Chen

Huang

et al. 2016

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This article describes the fabrication of C60-doped carbazole-based bi-functional photorefractive polyacrylates, the C60-doped concentrations are 0.0, 0.2, 0.5, 0.7 and 1.0 wt.-%, respectively. For these photorefractive polyacrylates, differential scanning calorimetric runs have been taken under nonisothermal conditions at different heating rates. The result indicates that the glass transition temperature Tg first increases and then decreases with increasing of C60 content. Tg of the same sample increases with increasing heating rate. The activation energy of glass transition (Eg) has been evaluated based on the Moynihan and Kissinger model. The results showed that both Eg values obtained from Kissinger's and Moynihan's relations are in good agreement.

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Quickly updatable hologram images with high performance photorefractive polymer composites

Cited by 3 publications

References 3 publications

Quickly Updatable Hologram Images Using Poly(N-vinyl Carbazole) (PVCz) Photorefractive Polymer Composite

Quickly Updatable Hologram Images Using Poly(N-vinyl Carbazole) (PVCz) Photorefractive Polymer Composite

A Review of Dynamic Holographic Three-Dimensional Display: Algorithms, Devices, and Systems

Investigation of glass transition kinetics in C₆₀-doped carbazole-based photorefractive polyacrylates

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Quickly updatable hologram images with high performance photorefractive polymer composites

Cited by 3 publications

References 3 publications

Quickly Updatable Hologram Images Using Poly(N-vinyl Carbazole) (PVCz) Photorefractive Polymer Composite

Quickly Updatable Hologram Images Using Poly(N-vinyl Carbazole) (PVCz) Photorefractive Polymer Composite

A Review of Dynamic Holographic Three-Dimensional Display: Algorithms, Devices, and Systems

Investigation of glass transition kinetics in C60-doped carbazole-based photorefractive polyacrylates

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Investigation of glass transition kinetics in C₆₀-doped carbazole-based photorefractive polyacrylates