Dendritic polyisophthalate endcapped with naphthyl groups for holographic recording

Kou, Huiguang; Shi, Wenfang; Lougnot, Daniel Joseph; Lu, Yonghua; Ming, Hai

doi:10.1002/pat.504

Cited by 10 publications

(12 citation statements)

References 21 publications

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“…[65] Dichloromethane is used as a solvent for production and after removal a dry, thermally stable film with good light sensitivity is obtained. For industrial applications, however, the dimensional stability must be optimized still further.…”

Section: Thermoplastic Media With High Glass-transition Temperaturementioning

confidence: 99%

From the Surface to Volume: Concepts for the Next Generation of Optical–Holographic Data‐Storage Materials

et al. 2011

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Optical data storage has had a major impact on daily life since its introduction to the market in 1982. Compact discs (CDs), digital versatile discs (DVDs), and Blu-ray discs (BDs) are universal data-storage formats with the advantage that the reading and writing of the digital data does not require contact and is therefore wear-free. These formats allow convenient and fast data access, high transfer rates, and electricity-free data storage with low overall archiving costs. The driving force for development in this area is the constant need for increased data-storage capacity and transfer rate. The use of holographic principles for optical data storage is an elegant way to increase the storage capacity and the transfer rate, because by this technique the data can be stored in the volume of the storage material and, moreover, it can be optically processed in parallel. This Review describes the fundamental requirements for holographic data-storage materials and compares the general concepts for the materials used. An overview of the performance of current read-write devices shows how far holographic data storage has already been developed.

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Section: Thermoplastic Media With High Glass-transition Temperaturementioning

confidence: 99%

From the Surface to Volume: Concepts for the Next Generation of Optical–Holographic Data‐Storage Materials

et al. 2011

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“…with permission from SPIE. (b) The same data as (a), plotted in terms of usable Δ n versus estimated formula limit, along with reported data for a variety of other design strategies: Choi et al (RROP), Peng et al (thiol‐click), Cole and Trentler (thermoplastic matrix), Kou et al (dendritic binder) . See Supporting information for details.…”

Section: Formula Limit Conceptmentioning

confidence: 99%

Design concepts for diffusive holographic photopolymers

Kowalski

McLeod

2016

J Polym Sci B Polym Phys

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Diffusive photopolymers are an area of intense recent materials development, spurred by interest in holographic data storage, display holography, and custom diffractive optical elements, among other applications. This review examines a range of photopolymer formulations of academic and commercial interest, and places their design strategies in context via quantitative analysis of the recording fidelity, maximum refractive index change and the degree to which they achieve this limit. Finally, this analysis is extended to estimate the scope of achievable future performance improvements. © 2016 Wiley Periodicals, Inc. J. Polym. Sci., Part B: Polym. Phys. 2016, 54, 1021–1035.

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“…The higher RI of the material is mainly attributed to the naphthyl groups at the molecular chain ends. The naphthyl groups contains more delocalized electron π bonds present in the shell 19…”

Section: Resultsmentioning

confidence: 99%

Synthesis and characterization of hyperbranched aromatic polyesters used for polymeric graded‐index materials

Kou

Shi

Lü

et al. 2003

Polymer International

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A series of hyperbranched aromatic polyesters, with different numbers of terminal naphthyl groups per molecule, were synthesized from 5‐hydroxyisophthalic acid as an AB2 type monomer and ethylenediaminetetraacetic acid as an ‘initiator core’ molecule via an ‘one‐step’ approach, to be modified with β‐naphthol. These polyesters had polydispersities in the range 1.78–2.13, indicated by gel permeation chromatography, and degrees of branching between 0.45 and 0.60 by 1H NMR using model compounds. Characterization indicated intense absorption bands in the near‐UV spectral region and one fluorescence centre with emission at 365 nm. The refractive index increased with the number of naphthyl groups up to a value of 1.6205. The diffraction efficiency was about 8.7% for diffraction grating of cured films. Copyright © 2003 Society of Chemical Industry

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Dendritic polyisophthalate endcapped with naphthyl groups for holographic recording

Cited by 10 publications

References 21 publications

From the Surface to Volume: Concepts for the Next Generation of Optical–Holographic Data‐Storage Materials

From the Surface to Volume: Concepts for the Next Generation of Optical–Holographic Data‐Storage Materials

Design concepts for diffusive holographic photopolymers

Synthesis and characterization of hyperbranched aromatic polyesters used for polymeric graded‐index materials

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