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Silicon photodiodes as Thomson scattering detectors in experiments on the Tuman-3M tokamak and in bench experiments

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Abstract

Experiments on Thomson scattering in the Tuman-3M tokamak plasma with silicon photodiodes applied as radiation detectors are performed. Bench tests and numerical simulation are used to compare the efficiency of detector modules based on conventional and avalanche photodiodes in recording weak pulses of various durations against uniform background light. When the pulse duration increases to several hundreds of nanoseconds, the increase in sensitivity due to avalanche gain disappears. This is of importance for diagnosing the tokamak plasma, where the background radiation is relatively intense.

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Authors and Affiliations

  1. Ioffe Physicotechnical Institute, Russian Academy of Sciences, Politekhnicheskaya ul. 26, St. Petersburg, 194021, Russia

    V. V. Zabrodsky, D. V. Kalinina, E. E. Mukhin, G. T. Razdobarin, V. L. Sukhanov, S. Yu. Tolstyakov & A. S. Tukachinsky

Authors
  1. V. V. Zabrodsky
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  2. D. V. Kalinina
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  3. E. E. Mukhin
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  4. G. T. Razdobarin
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  5. V. L. Sukhanov
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  6. S. Yu. Tolstyakov
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  7. A. S. Tukachinsky
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Additional information

__________

Translated from Zhurnal Tekhnichesko\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l}\) Fiziki, Vol. 73, No. 8, 2003, pp. 118–122.

Original Russian Text Copyright © 2003 by Zabrodsky, Kalinina, Mukhin, Razdobarin, Sukhanov, Tolstyakov, Tukachinsky.

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Zabrodsky, V.V., Kalinina, D.V., Mukhin, E.E. et al. Silicon photodiodes as Thomson scattering detectors in experiments on the Tuman-3M tokamak and in bench experiments. Tech. Phys. 48, 1053–1057 (2003). https://doi.org/10.1134/1.1607480

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  • DOI: https://doi.org/10.1134/1.1607480

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