Spatial frequency response of AA/PVA photopolymer material containing four different photosensitizers

Yue Qi; Haoyu Li; Jinxin Guo; Michael R. Gleeson; John T. Sheridan

doi:10.1117/12.2029559

26 September 2013 Spatial frequency response of AA/PVA photopolymer material containing four different photosensitizers

Yue Qi, Haoyu Li, Jinxin Guo, Michael R. Gleeson, John T. Sheridan

Proceedings Volume 8855, Optics and Photonics for Information Processing VII; 88550R (2013) https://doi.org/10.1117/12.2029559
Event: SPIE Optical Engineering + Applications, 2013, San Diego, California, United States

Abstract

Based on the previous study of the time varying photon absorption effects, the behavior of four different photosensitizers in an AA/PVA photopolymer material has been further examined by using the developed 1-D Nonlocal Photopolymerization Driven Diffusion (NPDD) model. In order to characterize the photosensitizers precisely, holographic illuminations with different spatial frequencies are applied. Material parameters, i.e., the nonlocal response parameter, σ, the diffusion rate of monomer, Dm, the chain initiation kinetic constant, ki, and the termination rate, kt, are extracted by numerically fitting experimentally measure the refractive index modulation growth curve using the theoretical models. In this paper, the four different photosensitizers under investigation are Erythrosin B; Eosin Y; Phloxine B; Rose Bengal.

Citation Download Citation

Yue Qi, Haoyu Li, Jinxin Guo, Michael R. Gleeson, and John T. Sheridan "Spatial frequency response of AA/PVA photopolymer material containing four different photosensitizers", Proc. SPIE 8855, Optics and Photonics for Information Processing VII, 88550R (26 September 2013); https://doi.org/10.1117/12.2029559

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