Balanced homodyne detection of Bragg microholograms in photopolymer for data storage

Guattari, Frédéric; Maire, Guillaume; Contreras, Kevin; Arnaud, Carole; Pauliat, Gilles; Roosen, Gérald; Jradi, Safi; Carré, Christiane

doi:10.1364/oe.15.002234

Cited by 21 publications

(14 citation statements)

References 12 publications

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“…In addition, since the local force measurement is directly influenced by the sample‐tip contact area and thus, by the curvature radius of the tip, the measured forces should be normalized according to the tip geometry. Finally, all these results were successfully used for the investigation of the acrylic formulation as a photosensitive polymer matrix for holographic data storage (Guattari et al , 2007).…”

Section: Resultsmentioning

confidence: 99%

Analysis of photopolymerized acrylic films by AFM in pulsed force mode

Jradi

Soppera

Lougnot

2007

Journal of Microscopy

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SummaryThis paper highlights the potential of atomic force microscopy in the pulsed force mode to investigate the photopatterning of acrylic-based films. The pulsed force mode is a nonresonant mode designed to allow approach curves to be recorded along the scanning path. It thereby provides the topography of the sample and a direct and simple local characterization of adhesion and stiffness. This mode can be used either for imaging or for locally probing the mechanical properties of a surface. In particular, a correlation between stiffness and conversion of the monomer was established. The close examination of the pulsed force mode signal brought accurate information on the photoinduced modification of the film. Polymer films with submicron photopatterning generated by interferometric illumination were analyzed by pulsed force mode. It was established that the gradient of mechanical properties throughout the films was strongly dependant on the irradiation conditions.

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Section: Resultsmentioning

confidence: 99%

Analysis of photopolymerized acrylic films by AFM in pulsed force mode

Jradi

Soppera

Lougnot

2007

Journal of Microscopy

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“…It has been successfully demonstrated how this DC contribution can be suppressed through a balanced homodyne detection. [155]…”

Section: "Bit-wise" Prototypesmentioning

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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“…• optical elements, such as wave plates, can be inserted in this space allowing an easy implementation of elaborated detection schemes using polarized light such as homodyne detection schemes [16,18].…”

Section: Example Of Retrieved Image and Distortionmentioning

confidence: 99%

Application of Lippmann interference photography to data storage

Contreras¹,

Pauliat²,

Arnaud³

et al. 2008

J. Eur. Opt. Soc.-Rapid Publ.

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International audienceLippmann's interference photography is an elegant process to record coloured images in the volume of a sensitive material. We propose to use this technique for wavelength multiplexed data storage in a page-oriented approach. Using computer simulations, we demonstrate that the capacities reached with this technique are similar to those reached by volume holographic data storage

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Balanced homodyne detection of Bragg microholograms in photopolymer for data storage

Cited by 21 publications

References 12 publications

Analysis of photopolymerized acrylic films by AFM in pulsed force mode

Analysis of photopolymerized acrylic films by AFM in pulsed force mode

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

Application of Lippmann interference photography to data storage

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