Coherent scattering properties of a cationic ring-opening volume holographic recording material

J. A. Frantz, R. K. Kostuk, D. A. Waldman

Research output: Contribution to journalArticlepeer-review

8 Scopus citations


Experimental results demonstrating the coherent scattering properties of a cationic ring-opening photopolymer (Aprilis ULSH-500-7A) are presented. The film is exposed continuously with a single beam at a single angle, and the transmission characteristics are measured as a function of exposure. A critical cumulative coherent exposure level is observed. At exposures above this level the presence of noise gratings is observed through a decrease in the transmittance of the photopolymer. The magnitude of the efficiency of these gratings differs depending upon the method used for preconditioning the photopolymer. Noise gratings are also measured in the case of angularly multiplexed exposures, and it is found that if the exposure fluence of each multiplexed recording is reduced to levels consistent with those used for recording data pages in this sensitive recording medium then no measurable noise gratings are formed.

Original languageEnglish (US)
Pages (from-to)267-273
Number of pages7
JournalProceedings of SPIE-The International Society for Optical Engineering
StatePublished - 2001


  • Cationic ring-opening photopolymer
  • Holographic data storage
  • Noise grating

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering


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