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search.filters.applied.f.series: Journal of physics : Conference Series 691 (2016) × Subject: Chemical compositions × Subject: Konferenzschrift ×

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    Properties of ns-laser processed polydimethylsiloxane (PDMS)
    (Bristol : IOP Publ., 2016) Atanasov, P.A.; Stankova, N.E.; Nedyalkov, N.N.; Stoyanchov, T.R.; Nikov, R.G.; Fukata, N.; Gerlach, J.W.; Hirsch, D.; Rauschenbach, B.
    The medical-grade polydimethylsiloxane (PDMS) elastomer is a widely used biomaterial in medicine and for preparation of high-tech devices because of its remarkable properties. In this work, we present the experimental results on drilling holes on the PDMS surface by using ultraviolet, visible or near-infrared ns-laser pulses and on studying the changes of the chemical composition and structure inside the processed areas. The material in the zone of the holes is studied by XRD, ?-Raman analyses and 3D laser microscopy in order to obtain information on the influence of different processing laser parameters, as wavelength, fluence and number of consecutive pulses on the material transformation and its modification.