Andrew N. Kvashnin

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The data acquisition system was developed for the diagnosis of Thomson scattering systems on GOL-3 and GDT. It's include: the modules photodetectors based on the avalanche photodiodes, working in real-time mode recorder based on 12 bit 500 MSPS ADC, the synchronization system providing synchronous operation of the multiple channels of the recording system(More)
This paper describes prototype design of the high-speed recorder based on SCA (switch capacitor array) technology for Thomson scattering diagnostic on ITER. The recorder is based on 9-channel DRS4 chip, developed in PSI (Paul Scherrer Institute) and FPGA with System on Crystal (Cyclone V). The recorder is capable of simultaneously data processing from 8(More)
Thomson scattering (TS) is the most accurate and useful method of measuring plasma electron temperature and density in fusion-oriented experiments. The small power (&#x223C;10<sup>&#x2212;8</sup>W) and short duration (&#x223C;10 ns and less) of scattering signal are the main technical problems of the method. That is why highest requirements are made to(More)
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