Influence of softening temperature of azobenzene polymers and external electric field on diffraction efficiency of polarization holograms
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DAVIDENKO, Nicolay, DAVIDENKO, Irina, KURANDA, Nicolay, MOCRINSCAIA, Elena, PAVLOV, Valeriy, SOLNTSEV, Viacheslav, STUDZINSKY, Sergey, SYROMYATNIKOV, Vladimir, TARASENKO, Vitaliy, CHUPRINA, Nicolay. Influence of softening temperature of azobenzene polymers and external electric field on diffraction efficiency of polarization holograms. In: Chemistry Journal of Moldova, 2017, nr. 2(12), pp. 58-63. ISSN 1857-1727.
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Chemistry Journal of Moldova
Numărul 2(12) / 2017 / ISSN 1857-1727 /ISSNe 2345-1688

Influence of softening temperature of azobenzene polymers and external electric field on diffraction efficiency of polarization holograms

CZU: 535.215:537.874:621.049.77

Pag. 58-63

Davidenko Nicolay1, Davidenko Irina1, Kuranda Nicolay1, Mocrinscaia Elena1, Pavlov Valeriy1, Solntsev Viacheslav2, Studzinsky Sergey1, Syromyatnikov Vladimir1, Tarasenko Vitaliy1, Chuprina Nicolay1
 
1 Taras Shevchenko National University of Kyiv,
2 Institute of Physics of the National Academy of Sciences of Ukraine
 
Disponibil în IBN: 28 decembrie 2017


Rezumat

The growth of the diffraction efficiency and recording velocity were found in the films of the 4-[(2-nitrophenyl)diazenyl]phenyl methacrylate copolymers with octyl methacrylate at room temperature holographic recording with a plane wavefront from parallel and orthogonal orientation of polarization of light beams for copolymer with less softening temperature. The effect of strengthening the diffraction efficiency was observed when charging the surface of investigated copolymers films with the recorded hologram in corona discharge. This effect is explained by growth of amplitude of regular geometric relief of the film surface appearing during formation of the polarization hologram in the copolymer with azobenzene chromophore.

Cuvinte-cheie
azobenzene polymer, thermoplastic property, surface relief.,

optical anisotropy, polarization holography