Abstract

Poly(vinyl alcohol-acrylamide) photopolymers are materials of interest in the field of digital information storage (holographic memories). We analyzed the behavior of a 1-mm-thick photopolymer. Using a standard holographic setup, we recorded unslanted diffraction gratings. The material has high angular selectivity (0.4°), good sensitivity (88 mJ/cm²), and small losses caused by absorption and scattering of light. It also has a high maximum diffraction efficiency (70%). A significant induction period was seen in the material. The authors hypothesize that, during most of this induction period, polymerization does in fact take place but is not reflected in the appearance of the diffracted light until a certain threshold value of exposure is reached.

© 2003 Optical Society of America

Diffusion-based model to predict the conservation of gratings recorded in poly(vinyl alcohol)–acrylamide photopolymer

Sergi Gallego, Cristian Neipp, Manuel Ortuño, Andrés Márquez, Augusto Beléndez, and Inmaculada Pascual
Appl. Opt. 42(29) 5839-5845 (2003)

Comment on “Holographic characteristics of a 1-mm-thick photopolymer to be used in holographic memories”

Benjamin C. Ihas, Adrian J. Hill, and Melinda Schnoes
Appl. Opt. 43(20) 4017-4017 (2004)

Characterization of polyvinyl alcohol/acrylamide holographic memories with a first-harmonic diffusion model

Sergi Gallego, Manuel Ortuño, Cristian Neipp, Andrés Márquez, Augusto Beléndez, and Inmaculada Pascual
Appl. Opt. 44(29) 6205-6210 (2005)

Clarifications to the paper “Holographic characteristics of a 1-mm-thick photopolymer to be used in holographic memories”

Manuel Ortuño, Sergi Gallego, Celia García, Cristian Neipp, and Inmaculada Pascual
Appl. Opt. 44(8) 1448-1448 (2005)

Silver-doped photopolymer media for holographic recording

V. Pramitha, K. P. Nimmi, N. V. Subramanyan, Rani Joseph, K. Sreekumar, and C. Sudha Kartha
Appl. Opt. 48(12) 2255-2261 (2009)