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New photopolymer with trifunctional monomer for holographic applications

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Abstract

New holographic recording materials based on photopolymerizable systems have contributed significantly to the recent growth of holographic applications. Previously, we reported that in photopolymerizable systems with a difunctional monomer, Ethylene Glycol DiMethAcrylate (EGDMA) improves the behaviour of the system and explains the role played by an eosin ester that has an oxo-oxime group in the production of amine initiator radicals. This comparative study was carried out in our laboratory using differential scanning photo-calorimetry and holography. The results of the new photosensitive recording materials for holography indicate that this system can be used for the formulation of very promising photopolymers that have a better performance. The aim of this study was to change the crosslinking monomer in order to increase the energetic sensitivity and discover the rest of the behavior. The new photo-polymerizable mixture contains PentaErythritol TriAcrylate (PETA) in a 1:1 ratio of volume and a 2-Hydroxy-Ethylene MethAcrylate monomer (HEMA). A diffraction efficiency of 80% is achieved with an energetic sensitivity of 3 J/cm2 at 514 nm, and the spatial resolution is up to 2000 lines/mm.

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Authors and Affiliations

  1. Laboratorio de Optica, Departamento Interuniversitario de Optica, Universidad de Alicante, Apdo. No. 99, E-03080, Alicante, Spain

    A. Fimia & F. Mateos

  2. Departamento de Ingeniería de Sistemas y Comunicaciones, Universidad de Alicante, Apdo. No. 99, E-03080, Alicante, Spain

    A. Beléndez

  3. Instituto de Ciencia y Tecnología de Polímeros, CSIC, Juan de la Cierva 3, E-28006, Madrid, Spain

    R. Mallavia & R. Sastre

  4. Instituto de Química Orgánica General CSIC, Juan de la Cierva 3, E-28006, Madrid, Spain

    F. Amat-Guerri

Authors
  1. A. Fimia
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  2. F. Mateos
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  3. A. Beléndez
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  4. R. Mallavia
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  5. F. Amat-Guerri
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  6. R. Sastre
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Fimia, A., Mateos, F., Beléndez, A. et al. New photopolymer with trifunctional monomer for holographic applications. Appl. Phys. B 63, 151–153 (1996). https://doi.org/10.1007/BF01095266

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  • DOI: https://doi.org/10.1007/BF01095266

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