Temat: transmission losses - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Generation of two identical ns laser pulses at single μs spacing by switching output mirror transmission
Autorzy:: Skórczakowski, Marek
Żendzian, Waldemar
Jankiewicz, Zdzisław
Powiązania:: https://bibliotekanauki.pl/articles/220917.pdf
Data publikacji:: 2020
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: double pulse Q-switched laser
pulsed holographic interferometry
transmission losses switching
diode pumped Q-switched laser
Opis:: Generation of two identical ns laser pulses spaced by a single μs time interval by means of sequential switching of the output mirror transmittance in a diode-pumped Nd:YAG laser is reported, to our knowledge, for the first time. The theoretical study of the process of transmission losses switching is developed. This analysis confirms the possibility of generation of two identical Q-switched laser pulses with 100% efficiency with respect to the referenced single pulse energy. The detailed characterization of the laser in free-running, single and double Q-switching regimes is presented. The laser can be applied in different branches of metrology as PIV, LIBS or holographic interferometry.
Źródło:: Metrology and Measurement Systems; 2020, 27, 3; 513-530
0860-8229
Pojawia się w:: Metrology and Measurement Systems
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Modelling of non-linear losses in an integrated contactless power supply for magnetically levitated elevator systems using discrete circuit elements
Autorzy:: Putri, A. K.
Appunn, R.
Hameyer, K.
Powiązania:: https://bibliotekanauki.pl/articles/141742.pdf
Data publikacji:: 2015
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: contactless energy transmission
electromagnetic guiding system
equivalent circuit model
ferromagnetic material at high frequency
magnetically levitated elevator
modelling of non-linear losses
Opis:: A contactless energy transmission system is essential to supply onboard systems of electromagnetically levitated vehicles without physical contact to the guide rail. One of the possibilities to realise a contactless power supply (CPS) is by integrating the primary actuator into the guide rail of an electromagnetic guiding system (MGS). The secondary actuator is mounted on the elevator car. During the energy transmission, load dependent non-linear losses occur in the guide rail. The additional losses, which are caused by the leakage flux penetrating into the guide rail, cannot be modelled using the classical approach of iron losses in the equivalent circuit of a transformer, which is a constant parallel resistance to the mutual inductance. This paper introduces an approach for modelling the load dependent non-linear losses occurring in the guide rail using additional variable discrete circuit elements.
Źródło:: Archives of Electrical Engineering; 2015, 64, 2; 177-187
1427-4221
2300-2506
Pojawia się w:: Archives of Electrical Engineering
Dostawca treści:: Biblioteka Nauki

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