Dynamic hologram recording characteristics in DuPont photopolymers

Raymond K. Kostuk

doi:10.1364/AO.38.001357

Dynamic hologram recording characteristics in DuPont photopolymers

Raymond K. Kostuk

Research output: Contribution to journal › Article › peer-review

54 Scopus citations

Abstract

Hologram formation and diffusion reactions in photopolymer films are examined at different stages of exposure and at different spatial frequencies. Different properties of the grating formation process are evaluated from efficiency data, including the relative rates of diffusion and photoinitiated polymerization, dye absorption, and residual efficiency enhancement after UV curing. It was also found that gratings with larger periods (1.4 μm) are susceptible to erasure effects with postexposure laser illumination. In addition, crossed gratings were found to have an extended dynamic range. This effect can have a significant impact on the number of holograms formed with rotational or peristrophic multiplexing.

Original language	English (US)
Pages (from-to)	1357-1363
Number of pages	7
Journal	Applied optics
Volume	38
Issue number	8
DOIs	https://doi.org/10.1364/AO.38.001357
State	Published - Jan 1 1999

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics
Engineering (miscellaneous)
Electrical and Electronic Engineering

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AB - Hologram formation and diffusion reactions in photopolymer films are examined at different stages of exposure and at different spatial frequencies. Different properties of the grating formation process are evaluated from efficiency data, including the relative rates of diffusion and photoinitiated polymerization, dye absorption, and residual efficiency enhancement after UV curing. It was also found that gratings with larger periods (1.4 μm) are susceptible to erasure effects with postexposure laser illumination. In addition, crossed gratings were found to have an extended dynamic range. This effect can have a significant impact on the number of holograms formed with rotational or peristrophic multiplexing.

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Dynamic hologram recording characteristics in DuPont photopolymers

Abstract

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