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Photoelectrical resonant gate transistor (PRGT)

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Abstract

PRGT is a photosensitive device with resonant properties compatible with the elements of microelectronics and integrated optics. The photosensitive element is a single crystal platelet of CdS, the mechanical resonance of which determines the resonant frequency of the device. The flexural mechanical vibrations of the platelet excited from an a.c. light flux are detected and converted into an electrical signal by means of a MOS-transistor. Without optimization of the parameters of the device a mean value of the sensitivity as high as 3 A lm−1 was obtained reaching 10 A lm−1 for some devices for frequencies up to 3 kHz. A low frequency analyser for a laser Doppler anemometer is also described.

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Authors and Affiliations

  1. Faculty of Physics, Department of Solid State Physics, Sofia University, Sofia, Bulgaria

    J. Burov

  2. Institute of Solid State Physics, Bulgarian Academy of Science, Sofia, Bulgaria

    V. Hinkov

Authors
  1. J. Burov
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  2. V. Hinkov
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Burov, J., Hinkov, V. Photoelectrical resonant gate transistor (PRGT). Opt Quant Electron 7, 474–480 (1975). https://doi.org/10.1007/BF00619325

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  • DOI: https://doi.org/10.1007/BF00619325

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