[PDF] Top 20 Experimental characterization of phenanthrenequinone-doped poly(methyl methacrylate) photopolymer for volume holographic storage

... limit for a single expo- sure time, we have performed an experiment to quantify the scattering ...ics of the scattering can be observed, as shown in ...buildup of the strong scattering of the ... See full document

... 160.5470. Holographic data-storage systems with high storage capacity, high data-readout rate, high image quality, and low bit-error rate have been proposed and demon- ...use of a suitable ... See full document

... levels for the reconstructed image is shown in ...pixels of data 0 can be fairly separated with that of data ...threshold for separating data 1 from data 0 to be at the cross-point of ... See full document

... 2011 Volume polarization holographic recording in phenanthrenequinone-doped poly (methyl methacrylate) photo- polymer is ...ability for recording volume polarization ... See full document

... bulk photopolymer had a thickness of 2 mm, good optical qual- ity, and exhibited negligible photochemical ...characteristics of the various nitroaniline-modified PMMA/PQ materials, anal- yses (UV–Vis ... See full document

... fluence of the concentration of thermo-initiator, AIBN Another issue has to be examined is the concentration of thermo-initiator, AIBN, because it affects the degree of polymer- ization ... See full document

... accepted for publication ...2012. Holographic recording using two-wavelength photochemi- cally-based processes, in which the red (even near-infrared) laser is used for recording and the blue (even ... See full document

... number of photopolymer materials for holographic applications have been developed since the first holographic photopolymer was reported in ...practical volume ... See full document

... theory of volume holograms, dependence of holographic reconstruction on the polarization states of the writing and reading beams is ...distinction of the reading beams. ... See full document

... quality of the holographic record- ing, we have recorded a Fresnel hologram in our sample using the resolution test ...graph of the reconstructed image, in which the sample is placed near the Fourier ... See full document

... advantage of facile fabrication, flexibility and high diffraction efficiency, photopolymer materials have recently been attractive candidates of recording media for holographic data ... See full document

... red-light holographic recording that was originally insensitive in thick phenanthrenequinone/poly(methyl methacrylate) photopolymer to have reasonable ...A volume hologram was recorded ... See full document

... Introduction Holographic data storage has been considered a promising information storage technology because of its large storage capacity and inherent property of parallel data ... See full document

... polymerization of the doped elements is a possible mechanism for holographic recording in Irgacure 784 doped epoxy resin ...components of our photopolymer, TGA ... See full document

... In making the PQIPMMA samples, the host polymer matrix PMMA is formed during the material preparation such that only a few percentage of un-reacted MMA monomer molecules are left for opt[r] ... See full document

... By using the Bragg matching condition, the angle shift and the decay of the diffraction efficiency of the reconstructed beam is obtained.. Then we discuss the distortion of the readout d[r] ... See full document

... In order to explore the capability of our PQ:PMMA samples for high density holographic memory we have measured the dynamic range of the refractive index of a 4.8-mm thick sample.. Two be[r] ... See full document

... scan of the gray level of the corresponding ...reconstructed for such a 5-mm thick block, from the analysis in Section 2 it implies that shrinkage in this material is as less as 10 -5 ...gradient ... See full document

... method for hologram fixing in these materials. A typical technique for hologram fixing in photopolymers is UV curing, which requires post processing after the holograms have been ...technique for ... See full document

... analyses of PQ:PMMA material show that under light illumination, photon excites the quinone double bond on the carbonyl functional group of PQ molecule to make it becomes ...index of the material ... See full document