Publications

2020

• 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. Solids 356 (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. Solids 356 (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. Solids 355 (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 Earths 27 (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