Photopolymer media for holographic storage at ≈ 405 nm

Wang, Patrick; Ihas, Benjamin; Schnoes, Melinda; Quirin, Sean; Beal, David; Setthachayanon, Songvit; Trentler, Tim; Cole, Michael; Askham, Fred; Michaels, David D.; Miller, Sam; Hill, Adrian; Wilson, William L.; Dhar, Lisa

doi:10.1117/12.556882

Cited by 20 publications

(15 citation statements)

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“…It has also been shown that initiators for red, green, and, especially important, blue lasers are available. [81] The suitability of media for long-term storage was also shown. [82] In addition to isocyanate-alcohol [83] and epoxy/amine crosslinking, also orthoester-anhydride crosslinking, polypropylene diglycidyl ether polyethylene imine crosslinking, and epoxy-thiol cross-linking have been described.…”

Section: Orthogonalizing Of Matrix and Writing Chemistrymentioning

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: Orthogonalizing Of Matrix and Writing Chemistrymentioning

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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“…Altogether makes photopolymers a versatile and advantageous material. Nowadays photopolymers are optimized for many applications [8][9][10] and some important companies are developing different chemical variations of these materials [11][12][13][14].…”

Section: Introductionmentioning

confidence: 99%

Linearity in the response of photopolymers as optical recording media

et al. 2013

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Photopolymer are appealing materials for diffractive elements recording. Two of their properties when they are illuminated are useful for this goal: the relief surface changes and the refractive index modifications. To this goal the linearity in the material response is crucial to design the optimum irradiance for each element. In this paper we measured directly some parameters to know how linear is the material response, in terms of the refractive index modulation versus exposure, then we can predict the refractive index distributions during recording. We have analyzed at different recording intensities the evolution of monomer diffusion during recording for photopolymers based on PVA/Acrylamide. This model has been successfully applied to PVA/Acrylamide photopolymers to predict the transmitted diffracted orders and the agreement with experimental values has been increased. M. Elvin, "A highly elastic and adhesive gelatin tissue sealant for gastrointestinal surgery and colon anastomosis,"

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“…Eben- Holographische Speicher Angewandte Chemie falls wurde gezeigt, dass Initiatoren für rote, grüne und, besonders wichtig, blaue Laser zugänglich sind. [81] Die Eignung der Medien zur Langzeitarchivierung wurde ebenfalls nachgewiesen. [82] Außer der Isocyanat/Alkohol- [83] und der Epoxid/AminVernetzung wurden auch die Orthoester/Anhydrid-, Polypropylendiglycidylether/Polyethylenimin-und Epoxid/ThiolVernetzung beschrieben.…”

Section: Nanoporöse Gläser Als Formgeberunclassified

Von der Fläche ins Volumen – Materialkonzepte für optisch‐holographische Datenspeicher der Zukunft

et al. 2011

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Die optische Datenspeicherung hat seit Ihrer Markteinführung 1982 das tägliche Leben geprägt. Compact Disk (CD), Digital Versatile Disk (DVD) und Blu‐ray Disk (BD) sind universelle Datenträgerformate mit den Vorteilen des kontaktfreien und damit abnutzungslosen Lesens und Schreibens der digitalen Daten. Sie ermöglichen einen schnellen Datenzugriff, hohe Transferraten und eine stromfreie Datenspeicherung bei sehr günstigen gesamten Archivierungskosten. Der stete Wunsch nach der Erhöhung der Datenspeicherkapazitäten und ‐transferraten treibt die Entwicklung an. Für optische Datenspeicher ist die Nutzung holographischer Prinzipien ein eleganter Weg, diese Parameter weiter zu erhöhen, da hier im Inneren (also im Volumen) des Speichermaterials Daten abgelegt werden und zudem optisch parallel verarbeitet werden können. Dieser Aufsatz beschreibt die grundlegenden Materialanforderungen für holographische Speicher und vergleicht generelle Materialkonzepte. Ein Überblick über aktuelle Demonstrationen von Lese‐Schreib‐Geräten zeigt auf, wie weit die holographische Datenspeicherung schon entwickelt wurde.

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Photopolymer media for holographic storage at ≈ 405 nm

Cited by 20 publications

References 0 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

Linearity in the response of photopolymers as optical recording media

Von der Fläche ins Volumen – Materialkonzepte für optisch‐holographische Datenspeicher der Zukunft

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