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    Polarization holographic gratings with high diffraction efficiency recorded in azopolymer PAZO

    Azopolymers are one of the most efficient materials able to record the polarization state of light. They have numerous applications, such as data storage and diffractive optical elements with unique polarizati...

    L. Nedelchev, D. Ivanov, N. Berberova, V. Strijkova in Optical and Quantum Electronics (2018)

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    Polyimide-matrix-based composite materials

    A polycondensation solid-state-reaction-based polyimide (PI) matrix has been used for composite material formation. Two types of PI matrix have been employed – a bulk PI system prepared by pressing a mixture o...

    G. Danev, J. Assa, I. Jivkov, V. Strijkova in Journal of Materials Science: Materials in… (2003)