Dry polymer for holographic recording

Calixto, Sergio

doi:10.1364/ao.26.003904

Cited by 79 publications

(28 citation statements)

References 33 publications

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“…D p (x) and F(x) are proportional to the illumination pattern intensity that is given by f(x)=exp(-(x-L) 2 /a), where 2L=145 µm, and a is a constant equal to 0.04 for the simulation presented.…”

Section: Resultsmentioning

confidence: 99%

“…Acrylamide based photopolymer systems have been primarily developed as high sensitivity self processing photosensitive materials for volume holography [2]. In addition to the photoinduced volume refractive index changes when an acrylamide-based photopolymer surface is exposed to a patterned light of appropriate wavelength a post-exposure swelling in the illuminated area is observed following the initial shrinkage due to the polymerization.…”

Section: Introductionmentioning

confidence: 99%

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Surface Relief Profile of Photopolymerisable Systems in a Single Illuminated Spot

Babeva¹,

Mackey²,

Naydenova³

et al. 2010

AIP Conference Proceedings

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Abstract. The formation of surface relief profile in photopolymerisable systems when illuminated with a focused beam of light is simulated numerically using a two-way diffusion model that accounts both for monomer and short polymer chains diffusion. The concentration and spatial distribution dynamics of monomer, short and long polymer chains are calculated. It is assumed that the surface profile is a linear combination of monomer and polymer concentration with appropriate coefficients accounting for polymer shrinkage. A good agreement between the calculated and the experimentally measured profiles is observed thus demonstrating the successful application of the two way diffusion in modeling this system.

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Surface Relief Profile of Photopolymerisable Systems in a Single Illuminated Spot

Babeva¹,

Mackey²,

Naydenova³

et al. 2010

AIP Conference Proceedings

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“…Sadlej and Smolinska [28] improved the original system proposed by Close by including a polyvinyl alcohol (PVA) binder which allowed the production of dry photopolymer layers. In the 1980s, Calixto [29] continued the work on acrylamidebased systems. The material contained acrylamide monomer, TEA as an electron donor, methylene blue photosensitizer, and PVA as a binder.…”

Section: Photopolymer Materials and Optimisationsmentioning

confidence: 99%

A Review of the Optimisation of Photopolymer Materials for Holographic Data Storage

Guo

Gleeson

Sheridan

2012

Physics Research International

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Photopolymers are very interesting as optically sensitive recording media due to the fact that they are inexpensive, self-processing materials with the ability to capture low-loss, high-fidelity volume recordings of 3D illuminating patterns. We have prepared this paper in part in order to enable the recognition of outstanding issues, which limit in particular the data storage capacity in holographic data storage media. In an attempt to further develop the data storage capacity and quality of the information stored, that is, the material sensitivity and resolution, a deeper understanding of such materials in order to improve them has become ever more crucial. In this paper a brief review of the optimisation of photopolymer materials for holographic data storage (HDS) applications is described. The key contributions of each work examined and many of the suggestions made for the improvement of the different photopolymer material discussed are presented.

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“…In 1980s Calixto reported acrylamide incorporated poly(vinyl alcohol) (PVA), triethanol amine (TEA), and methylene blue (MB) were used as photo initiating system. 2 Acrylamide-based poly(vinyl alcohol) films constitute a low cost organic material, and a great deal of attention has been given to this photopolymeric system in recent years. [3][4][5][6][7][8] Addition of each component is found to contribute to the performance the performance of the film.…”

Section: Introductionmentioning

confidence: 99%

Effect of concentration of DYE on the storage life of plane wave gratings on photopolymer film

Nimmi

Vayalamkuzhi

Sreekumar

et al. 2012

J of Applied Polymer Sci

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Holographic grating with good storage life in poly(vinyl alcohol) based photopolymer film, prepared by gravity settling method, with reduced concentration of the dye was found to give good diffraction efficiency without crosslinking. The material was found to show good diffraction efficiency and sensitivity (75% diffraction efficiency at exposure energy of 80 mJ/cm 2 ).The shelf life of the photopolymer solution could be improved by storage at a temperature $ 4 C in refrigerator.

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Dry polymer for holographic recording

Cited by 79 publications

References 33 publications

Surface Relief Profile of Photopolymerisable Systems in a Single Illuminated Spot

Surface Relief Profile of Photopolymerisable Systems in a Single Illuminated Spot

A Review of the Optimisation of Photopolymer Materials for Holographic Data Storage

Effect of concentration of DYE on the storage life of plane wave gratings on photopolymer film

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