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In recent years, functionalized photopolymer systems capable of holographic recording are in great demand due to their potential use in the development of holographic sensors. This work presents a newly developed Nisopropylacrylamide(NIPA)-based photopolymer for holographic recording in reflection and transmission modes. The optimized composition of the material is found to reach refractive index modulation of up to 5 10-3 and 1.6 10-3 after recording in transmission and reflection mode, respectively. In addition to fulfilling the requirements for holographic recording materials, the NIPA-based photopolymer is sensitive to temperature and has lower toxicity than acrylamide-based photopolymers. Possible application of the NIPA-based photopolymer in the development of a holographic temperature sensor is discussed.
MIkulchyk, T., Martin, S. & Naydenova, I. (2017). N-isopropylacrylamide-based photopolymer for holographic recording of thermosensitive transmission and reflection gratings. 2017 52nd International Universities Power Engineering Conference (UPEC),Technological Educational Institute of Crete (TEI of Crete) Stauromenos Heraklion, Crete, Greece, 28 - 31 Aug 2017. doi:10.1109/UPEC.2017.8231983