Diffusion kinetics investigations of the dual monomer system in the photopolymer holographic material

Yourong liu; Huaqing Lv; Biao Kang; Shaoxing Li; Zengrong Zhen; Jihong Zheng

doi:10.1117/12.2607128

24 November 2021 Diffusion kinetics investigations of the dual monomer system in the photopolymer holographic material

Yourong liu, Huaqing Lv, Biao Kang, Shaoxing Li, Zengrong Zhen, Jihong Zheng

Proceedings Volume 12066, AOPC 2021: Micro-optics and MOEMS; 120661N (2021) https://doi.org/10.1117/12.2607128
Event: Applied Optics and Photonics China 2021, 2021, Beijing, China

Abstract

Diffusive photopolymer is one of the fastest developed fields on the application of the holographic optical storage, and has the advantages of huge data capacity and low coat. Based on the extended model of the nonlocal polymerization-driven diffusion, the photophysical mechanism of the dual monomer system in the photopolymer holographic material is introduced. The diffusion coefficient, polymerization rate and diffusion rate are determined experimentally to provide the conditional parameters in the model. Quantitative analysis of photopolymer formulation, refractive index modulation and diffraction efficiency. This analysis can improve material performance and provide a basis for the development of next-generation holographic storage materials. A nonlocal diffusion model is used to predict theoretically the grating evolution. The model has been developed to account for both nonlocal spatial and temporal effects in the medium, which can be attributed to polymer chain growth and corresponding polymeric kinetics equations are given. We find the relationship between these equations and refractive index modulation, and obtain a diffraction efficiency equation which is appropriate for transmission volume grating. The proportion of dual monomer in chemical reaction system was optimized, and the high optical transparency of photopolymer film were obtained.

Citation Download Citation

Yourong liu, Huaqing Lv, Biao Kang, Shaoxing Li, Zengrong Zhen, and Jihong Zheng "Diffusion kinetics investigations of the dual monomer system in the photopolymer holographic material", Proc. SPIE 12066, AOPC 2021: Micro-optics and MOEMS, 120661N (24 November 2021); https://doi.org/10.1117/12.2607128

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