R
Richard Kowarschik
Researcher at University of Jena
Publications - 213
Citations - 1962
Richard Kowarschik is an academic researcher from University of Jena. The author has contributed to research in topics: Photorefractive effect & Interferometry. The author has an hindex of 23, co-authored 211 publications receiving 1850 citations. Previous affiliations of Richard Kowarschik include Schiller International University & Bosch.
Papers
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Journal ArticleDOI
Non-local response in glass-like polymer storage materials based on poly (methylmethacrylate) with distributed phenanthrenequinone.
Elen Tolstik,O. Kashin,A. Matusevich,Vladislav Matusevich,Richard Kowarschik,Yu. I. Matusevich,Krul Leonid P +6 more
TL;DR: The development of volume phase gratings written by two-wave-mixing in glass-like polymer storage materials based on poly and its thermostable derivative with distributed phenanthrenequinone is investigated experimentally and theoretically.
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Phase hologram formation in highly concentrated phenanthrenequinone-PMMA media
TL;DR: For phase holographic gratings in layers of polymethylmethacrylate, containing phenanthrenequinone in high concentration (nearly 3 mol%), a discrepancy between experimental (up to 9) and estimated (∼45) magnitudes of the thermal diffusion amplification coefficient has been revealed as discussed by the authors.
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Fluorescence lifetimes of molecular dye ensembles near interfaces
TL;DR: In this article, the lifetime of thin, rhodamine 6G-doped polymer layers in front of a mirror has been determined as a function of the emitter-mirror separation and the conditions of excitation and observation.
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Optimized coherence parameters for high-resolution holographic microscopy
TL;DR: In this article, the authors used temporally partially coherent and spatially partially coherent illumination in the micrometer range of 5 to 100μm generated by spectrally and spatically filtered light-emitting diodes (LEDs) and tungsten filament lamps.
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Numerical investigation of the (1+1)D self-trapping of laser beams in polymeric films based on polymethylmethacrylate and phenanthrenequinone
TL;DR: In this paper, an analytical description connected with a numerical calculation of the propagation of self-trapped laser beams in a polymethylmethacrylate matrix containing phenanthrenequinone molecules is presented.