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1
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Cascaded multilevel converters in recent research and applications

100%
Malinowski M.
Bulletin of the Polish Academy of Sciences: Technical Sciences
|
2017
|
issue 5
2
Publication available in full text mode
Content available

Modelling and fault-tolerant control of 5-phase induction machine

51%
Rolak M., Malinowski M., Che H. S.
Bulletin of the Polish Academy of Sciences: Technical Sciences
|
2015
|
issue 4
3
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Investigation and modelling of rare-earth activated waveguide structures

45%
Woliński W., Malinowski M., Mossakowska-Wyszyńska A., Piramidowicz R., Szczepański P.
Bulletin of the Polish Academy of Sciences: Technical Sciences
|
2005
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vol. 53
|
issue 2
4
Content available remote

Modelling of Blue Wavelength Praseodymium Waveguide Lasers

39%
Malinowski M., Mossakowska-Wyszyńska A., Piramidowicz R., Szczepański P., Tyszka-Zawadzka A., Frukacz Z., Pracka I.
Acta Physica Polonica A
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2000
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vol. 97
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issue 2
295-313
EN
Emission and absorption spectra, lifetimes, and branching ratios in the blue spectral region have been experimentally determined for numerous oxide, fluoride and phosphate materials doped with Pr^{3+} ions. The emission cross-sections have been evaluated using the principle of reciprocity. A theoretical model allowing a prediction of the blue lasing characteristics of the praseodymium activated waveguide structures has been developed and employed to the investigated materials.
5
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Spectroscopic and Laser Properties of LiNbO_{3}:Dy^{3+} Crystals

33%
Malinowski M., Myziak P., Piramidowicz R., Pracka I., Łukasiewicz T., Surma B., Kaczmarek S., Kopczyński K., Mierczyk Z.
Acta Physica Polonica A
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1996
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vol. 90
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issue 1
181-189
EN
The spectroscopic properties of trivalent dysprosium (Dy^{3+}) doped LiNbO_{3} crystals have been investigated at various temperatures. Absorption, emission, excitation and lifetime measurements have been performed and discussed in the framework of Judd-Ofelt approach. The stimulated emission cross sections of the strongest transitions of Dy ^{3+} ion have been estimated. A stimulated emission has been demonstrated in the near infrared.
6
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UV and Gamma Irradiation Effect in Spectroscopic and Lasing Properties of Er^{3+} doped Yttrium-Aluminium Garnet, Yttrium Orthoaluminate and Lithium Niobate Crystals

33%
Kaczmarek S., Pracka I., Mierczyk Z., Kopczyński K., Piramidowicz R., Malinowski M., Kisielewski J., Matkovskii A., Sugak D.
|
EN
Optical features (absorption and luminescence spectra) for Er^{3+} doped yttrium-aluminium garnet (YAG), yttrium orthoaluminate (YAP) and LiNbO3 crystals as well as their changes after UV and gamma irradiations are presented. Possibility of gamma-induced sensibilization process in Er^{3+} doped crystals is discussed. Positive result for non-pre-annealed gamma-irradiated rods of Er^{3+}:YAG crystal was stated.
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