132 results on '"Ryba-Romanowski, Witold"'
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2. Thermosensitive Tm3+/Yb3+ co-doped oxyfluorotellurite glasses – spectroscopic and temperature sensor properties
3. Er3+,Yb3+-doped oxyfluorotellurite glasses—Impact of temperature on spectroscopic properties and optical sensor qualities
4. Spectroscopic properties of Dy3+ ions in La3Ga5.5Ta0.5O14 single crystal
5. Spectroscopic properties of thulium doped (Lu0.25Gd0.75)2SiO5 (LGSO) single crystals
6. Silica-based oxyfluoride glass and glass-ceramic doped with Tm3+ and Yb3+ -VUV-VIS-NIR spectroscopy and optical thermometry
7. Effect of temperature on up-conversion phenomena in Gd3(Al,Ga)5O12 crystals co-doped with Yb3+ and Tm3+
8. Impact of temperature on excitation, emission and cross-relaxation processes of terbium ions in GGAG single crystal
9. Sm3+-doped oxyfluorotellurite glasses - spectroscopic, luminescence and temperature sensor properties
10. Spectroscopic peculiarities of excitation and emission processes as well as relaxation dynamic of excited states in doubly and triply doped Gd3Ga3Al2O12:Ln3+ (Ln3+=Eu3+, Tb3+, Ce3+) crystals
11. Oxyfluorotellurite glasses doped with neodymium and ytterbium ‐ thermal and spectroscopic properties as well as energy transfer phenomena
12. Optical study of Tm-doped solid solution (Sc0.5Y0.5)2SiO5 crystal
13. Optical spectra and excited state relaxation dynamics of Sm2+ ions in SrCl2, SrBr2 and SrI2 crystals
14. Influence of excitation wavelengths on up-converted luminescence sensing behavior of Er3+ ions in lead-free germanate glass
15. Influence of temperature on up-conversion luminescence in Er3+/Yb3+ doubly doped lead-free fluorogermanate glasses for optical sensing
16. Luminescence and energy transfer phenomena in Gd3 (Al,Ga)5O12 crystals single doped with thulium and co-doped with thulium and holmium
17. Spectral and laser performance of a Tm3+:ScYSiO5 crystal
18. Growth and spectroscopy of Gd3Ga3Al2O12 (GGAG) and evidence of multisite positions of Sm3+ ions in solid solution matrix
19. Gd3Ga3Al2O12 single crystal doped with dysprosium: Spectroscopic properties and luminescence characteristics
20. Investigation of intrinsic and extrinsic defects in solid solution Gd3(Al,Ga)5O12 crystals grown by the Czochralski method
21. Sensitive optical temperature sensor based on up-conversion luminescence spectra of Er3+ ions in PbO–Ga2O3–XO2 (X = Ge, Si) glasses
22. Optical spectra and crystal field calculation for SrB4O7:Sm2+
23. Spontaneous and stimulated emission in Sm3+-doped YAl3(BO3)4 single crystal
24. The influence of Pr3+ content on luminescence and optical behavior of TeO2–WO3–PbO–Lu2O3 glass
25. Luminescence and energy transfer phenomena in YVO4 single crystal co-doped with Tm3+ and Eu3+
26. Oxyfluorotellurite glasses doped by dysprosium ions. Thermal and optical properties
27. Thermal analysis and near-infrared luminescence of Er3+-doped lead phosphate glasses modified by PbF2
28. Effect of temperature on excited state relaxation dynamics and up-conversion phenomena in La3Ga5.5Ta0.5O14:Er3+ single crystals
29. Spectroscopic characterization of Sm3+ in La3Ga5.5Ta0.5O14 single crystals
30. Spectral transformation of infrared ultrashort pulses in laser crystals
31. Spectroscopic characterization of CaNb2O6 single crystal doped with samarium ions
32. Spectroscopic characterization of Sm3+ doped (Lu0.4Gd0.6)2SiO5 single crystals
33. Effect of temperature on optical spectra and relaxation dynamics of Sm3+ in Gd3Ga5O12 single crystals
34. Crystal growth and spectroscopic properties of praseodymium and cerium co-doped Y2SiO5
35. Nd3+:CaF2 crystal with controlled photoluminescence spectroscopic properties by codoping Y3+ ions
36. Investigation of visible emission induced by infrared femtosecond pulses in erbium-doped YVO4 and LuVO4 single crystals
37. Spectroscopic peculiarities of praseodymium impurities in Lu3Al5O12 single crystal
38. Optical properties of Nd3+ and Er3+ ions in TeO2–WO3–PbO–La2O3 glasses
39. Luminescence quenching of Dy3+ ions in lead bismuthate glasses
40. Luminescence spectroscopy of rare earth-doped oxychloride lead borate glasses
41. Optical spectra and excited state relaxation dynamics of Nd 3+ in CaF 2 single crystal
42. Spectroscopic properties of Yb 3+ and Er 3+ ions in heavy metal glasses
43. Er-doped and Er, Yb co-doped oxyfluoride glasses and glass–ceramics, structural and optical properties
44. Thermal and radiative characteristics of oxyfluoride glass singly doped with lanthanide ions
45. Spectroscopic properties of new luminescent system based on vanadate(V) crystal doped with erbium ions
46. Optical spectroscopy of Er 3+-doped LaVO 4 crystal
47. Infrared-to-visible conversion luminescence of Er 3+ ions in lead borate transparent glass-ceramics
48. Luminescence spectroscopy of Er 3+-doped and Er 3+, Yb 3+-codoped LaPO 4 single crystals
49. Near infrared and visible luminescence of U 3+-doped PbCl 2 single crystals
50. Conversion of VUV to visible light and the structure of the 5d levels in K5Li2LaF10:Tb
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