Response of a YBaCuO/MgO bolometer structure at high levels of laser excitation. Nonlinear model and experiment |
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| Authors: | A Yu Klokov T I Galkina A F Plotnikov |
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| Institution: | (1) P. N. Lebedev Physics Institute, Russian Academy of Sciences, 117924 Moscow, Russia |
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| Abstract: | A nonlinear model is developed for the photoresponse of a bolometric structure taking into account the temperature dependences
of the thermal constants of the YBaCuO/MgO structure and its boundary thermal resistance. The model also allows for the specific
form of the currentvoltage characteristic of YBaCuO and the heat release from the transport current flow. A comparison between
the experimental data and the model showed that the nonlinear thermal model accurately describes the temporal characteristics
of the photoresponse.
Fiz. Tverd. Tela (St. Petersburg) 40, 191–194 (February 1998) |
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