C. Koepke, K. Wiśniewski, M. Środa, M. Żelechower "Study on maximum phonons in selected glass and glass-ceramics doped with rare-earth ions. The optimal and neutral maximum phonon" J. Alloys Compd.825 article 154091 (2020), 1-8 DOI: 10.1016/j.jallcom.2020.154091
2018
A. Zawadzka, K. Waszkowska, A. Karakas, P. Płóciennik, A. Korcala, K. Wiśniewski, M. Karakaya, B. Sahraoui "Diagnostic and control of linear and nonlinear optical effects in selected self-assembled metallophthalocyanine chlorides nanostructures" Dyes Pigm.157 (2018), 151-162 DOI: 10.1016/j.dyepig.2018.04.048
M. Makowski, M. Witkowski, W. Drozdowski, A. Wojtowicz, K. Wiśniewski, L.A. Boatner "Luminescence and Scintillation Properties of XPO4:Nd3+ (X = Y, Lu, Sc, La) Crystals" Opt. Mater.79 (2018), 273-278 DOI: 10.1016/j.optmat.2018.02.005
C. Koepke, M. Środa, K. Wiśniewski, A. Marczewska "Study of spectroscopic and thermal characterization of TeO2-Ga2O3 oxyfluoride (TGOF) glasses and glass-ceramics activated by Pr3+ ions. The role of phonons" J. Lumin.198 (2018), 171-177 DOI: 10.1016/j.jlumin.2018.02.026
C. Koepke, K. Wiśniewski, M. Żelechower, E. Czerska "The role of phonons in the luminescence characteristics of SICLOF oxyfluoride glass and glass-ceramic fibers doped with Er3+/Yb3+" J. Lumin.204 (2018), 278-283 DOI: 10.1016/j.jlumin.2018.08.035
2016
C. Koepke, M. Środa, A. Marczewska, K. Wiśniewski, P. Pichniarczyk "Studies of the spectroscopic properties of lead-gallium oxufluoride (LGOF) glasses and glass-ceramics activated by Pr3+ ions" J. Lumin.179 (2016), 139-145 DOI: 10.1016/j.jlumin.2016.06.037
2014
J. Mikulski, C. Koepke, K. Wiśniewski, B.V. Padlyak, V.T. Adamiv, Ya.V. Burak "Excited state characteristics of the Li2B4O7 and KLiB4O7 glasses activated by Cr3+ ions" Opt. Mater.38 (2014), 24-27 DOI: 10.1016/j.optmat.2014.09.024
Yu. Zorenko, V. Gorbenko, T. Zorenko, B. Kukliński, M. Grinberg, K. Wiśniewski, P. Bilski "Luminescent properties of Mn-doped Y3Al5O12 single crystalline films" Opt. Mater.36 (2014), 1680-1684 DOI: 10.1016/j.optmat.2014.01.013
2011
K. Wiśniewski, E. Mahlik, M. Grinberg, Hyo Jin Seo "Influence of high hydrostatic pressure on Eu2+ - luminescence in KMgF3:Eu2+ crystal" J. Lumin.131 (2011), 306-309 DOI: http://dx.doi.org/10.1016/j.jlumin.2010.10.020
Sebastian Mahlik, K. Wiśniewski, Marek Grinberg, Hyo Jin Seo "Low temperature luminescence of KMgF3:Eu2+ crystal" Opt. Mater.33 (2011), 996-999 DOI: 10.1016/j.optmat.2010.11.013
Marek Grinberg, Sebastian Mahlik, K. Wiśniewski, Hyo Jin Seo "New Eu2+ sites in KMgF3:Eu2+ crystal" J. Phys. Condens. Matter 23 (2011), 035404 DOI: 10.1088/0953-8984/23/3/035404
2010
Yurij V. Zorenko, Taras I. Voznyak, R. M. Turchak, A. G. Fedorov, K. Wiśniewski, Marek Grinberg " Luminescent and scintillation properties of CsI:Tl films grown by the liquid phase epitaxy method" Phys. Status Solidi A 207 (2010), 2344-2350 DOI: 10.1002/pssa.200925154
S.Mahlik, K. Wiśniewski, M.Grinberg, Hyo Jin Seo "Luminescence of LiBaF3 and KMgF3 doped with Eu2+" J. Non-Cryst. Solids356 (2010), 37-40 DOI: 10.1016/j.jnoncrysol.2010.05.020
C. Koepke, D. Piątkowski, K. Wiśniewski, Mira Naftaly "On competition between two types of anti-Stokes emission in Ho3+ and Nd3+ ions in glasses" J. Non-Cryst. Solids356 (2010), 435-440 DOI: 10.1016/j.jnoncrysol.2009.12.012
Wojciech M. Jadwisieńczak, K. Wiśniewski, Michael G. Spencer, Tiju Thomas, David C. Ingram "Optical properties, luminescence quenching mechanism and radiation hardness of Eu-doped GaN red powder phosphor" Radiat. Meas.45 (2010), 500-502 DOI: 10.1016/j.radmeas.2009.12.016
2009
C. Koepke, K. Wiśniewski, D. Piątkowski "Broadband (~300 nm) Optical Gain in the ZAS (ZrO2–Al2O3–SiO2) Glass Activated by Chromium" Opt. Mater.31 (2009), 537-540 DOI: 10.1016/j.optmat.2007.09.016
C. Koepke, K. Wiśniewski, D. Piątkowski, M. Malinowski "Competition between Two Types of Anti-Stokes Emission in Ho3+-Activated ZBLAN Glass" J. Phys. Condens. Matter 21 (2009), 035113-(1- DOI: 10.1088/0953-8984/21/3/035113
M. Różański, K. Wiśniewski, J. Szatkowski, C. Koepke, M. Środa "Effect of Thermal Treatment on Excited State Spectroscopy of Oxyfluoride Borosilicate Glass Activated by Pr3+ Ions" Opt. Mater.31 (2009), 548-553 DOI: 10.1016/j.optmat.2007.10.022
B.V. Padlyak, C. Koepke, D. Piątkowski, K. Wiśniewski, B. Kukliński "Excited State Absorption and Up-Conversion Luminescence of Ho3+ Centres in 3CaO-Ga2O3-3GeO2 Glass" J. Non-Cryst. Solids355 (2009), 1338-1341 DOI: 10.1016/j.jnoncrysol.2009.05.022
D. Piątkowski, K. Wiśniewski, C. Koepke, M. Naftaly "Excited State Absorption Spectroscopy of Nd3+ Activated Fluoroaluminate Glass – Experiment and Simulation" Opt. Mater.31 (2009), 541-547 DOI: 10.1016/j.optmat.2007.10.012
K. Wiśniewski, Wojciech M. Jadwisieńczak, Tiju Thomas, Michael G. Spencer "High pressure luminescence studies of europium doped GaN" J. Rare Earths27 (2009), 667-670
Sebastian Mahlik, K. Wiśniewski, Marek Grinberg, Richard S. Meltzer "Temperature and pressure dependence of the luminescence of Eu2+-doped fluoride crystals BaxSr1−xF2 (x = 0, 0.3, 0.5 and 1): experiment and model" J. Phys. Condens. Matter 21 (2009), 245601
2008
R. Lisiecki, W. Ryba-Romanowski, C. Koepke, K. Wiśniewski, D. Piątkowski "Excited State Absorption in Thulium Doped YVO4 Crystals" Appl. Phys. B 91 (2008), 65-70
D. Piątkowski, K. Wiśniewski, M. Różański, C. Koepke, M. Kaczkan, M. Klimczak, R. Piramidowicz, M. Malinowski "Excited State Absorption Spectroscopy of ZBLAN:Ho3+ Glass - Experiment and Simulation" J. Phys. Condens. Matter 20 (2008), 155201-1-155201-11 DOI: 10.1088/0953-8984/20/15/155201
D. Piątkowski, K. Wiśniewski, C. Koepke, R. Piramidowicz, M. Klimczak, M. Malinowski "Initial State-Resolved Excited State Absorption Spectroscopy of ZBLAN:Ho3+ Glass" Appl. Phys. B 93 (2008), 809-816
2006
C. Koepke, K. Wiśniewski, D. Dyl, M. Grinberg, M. Malinowski "Evidence for Existence of the Trapped Exciton States in Pr3+-Doped LiNbO3 Crystal" Opt. Mater.28 (2006), 137-142
C. Koepke, K. Wiśniewski, P. Turbak, A. Sobocińska, M. Naftaly "Influence of the Oxygen-Affected Sites on Decay Times in Pr3+-Activated Fluoroaluminate Glass" J. Lumin.116 (2006), 94-100
C. Koepke, K. Wiśniewski, Ł. Sikorski, D. Piątkowski, K. Kowalska, M. Naftaly "Upconverted Luminescence under 800 nm Laser Diode Excitation in Nd3+-Activated Fluoroaluminate Glass" Opt. Mater.28 (2006), 129-136
2003
M. Grinberg, B. Kukliński, K. Wiśniewski, C. Koepke, T. Łukasiewicz, J. Kisielewski, M. Swirkowicz, A. Suchocki "Spectroscopy of the LLGG crystals doped with chromium" J. Opt. Soc. Am. B: Opt. Phys.20 (2003), 577-584
2002
K. Wiśniewski, C. Koepke "Excited State Absorption in Materials Containing the Cr3+ and Cr4+ Ions" J. Alloys Compd.341 (2002), 349-352
C. Koepke, K. Wiśniewski, M. Grinberg "Excited State Spectroscopy of Chromium Ions in Various Valence States in Glasses" J. Alloys Compd.341 (2002), 19-27
C. Koepke, K. Wiśniewski, M. Grinberg, F. Rozpłoch "Excited state spectroscopy of the silica sol-gel glass activated by Cr5+ and Cr6+ ions" J. Phys. Condens. Matter 14 (2002), 11553-11572
C. Koepke, K. Wiśniewski, M. Naftaly "Optical spectroscopy and multiple line gain in Pr3+- activated fluoroaluminate glass" J. Phys. Condens. Matter 14 (2002), 6785-6799
2001
C. Koepke, K. Wiśniewski, M. Grinberg, A. Majchrowski, T.P.J. Han "Excited State Absorption in Chromium Doped Li2B4O7 Glass" J. Phys. Condens. Matter 13 (2001), 2701-2716