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  1. 1901
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  9. 1909

    High-radiance phosphor-converted light sources for fluorescence analysis by Jan Müller, Jan Müller, Ingo B. Ramsteiner, Reinhold Fieß, Cornelius Neumann

    Published 2024-12-01
    “…The purpose of our research is to assess currently available phosphor materials and design a light source to our particular reference application.MethodsFor this purpose, a characterization setup was developed that compares different phosphors excited by small laser spots, with diameters between 100 μm and 280 μm, in terms of emitted spectral radiance, incident laser power, and irradiance.ResultsThe investigation identified two suitable phosphors, including a phosphor that addresses the gap in the blue and green wavelength ranges. …”
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  10. 1910
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  13. 1913

    New type of symmetry inhomogeneity in β-TCP-type phosphors: symmetrical features of mixed oxysalts by I.V. Nikiforov, V.V. Titkov, E.S. Zhukovskaya, M.M. Klimenko, E.A. Pankrushina, А.А. Vasin, D.V. Deyneko

    Published 2025-07-01
    “…A new series of Eu3+-activated Ca9La(PO4)7(1–x)(VO4)7x were synthesized using the solid-state method. X-ray powder diffraction study shows that all sample have β-TCP structure, however the differences in symmetry between the samples was found by second harmonic generation method. …”
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  14. 1914

    Nonlinear Coherent Directional Coupler: Coupled Mode Theory and BPM Simulation by Dharmadas Kumbhakar

    Published 2012-01-01
    “…Finite difference beam propagation method is an accurate numerical procedure, used here to explore the switching dynamics of a nonlinear coherent directional coupler. …”
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