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The radiovisor, a receiver for direct visualization of infrared and microwave radiation using crystal phosphors

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Abstract

Different stages are considered in the formation of the visible images of infrared and microwave radiation fields in a radiovisor based on the use of crystal phosphor screens having high-temperature sensitivity and containing nonselective absorbers of the registered radiation. Expressions are obtained for the basic characteristics of the radiovisor, namely the threshold sensitivity, the dynamic range, the response delay, and the resolution. It is shown that the calculation results (with account taken of real parameters of luminors and infrared and microwave radiation absorbers, as well as of specified conditions of heat transfer and of ultraviolet excitation of the screens) are in satisfactory agreement with the experimental data. The possible range of variation of the interrelated properties of the radiovisor are discussed and examples of its application are given.

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Additional information

Translated from Trudy Ordena Lenina Fizicheskogo Instituta im P. M. Lebedeva, Vol. 117, pp. 122–132, (1980).

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Bazhulin, A.P., Vinogradov, E.A., Irisova, N.A. et al. The radiovisor, a receiver for direct visualization of infrared and microwave radiation using crystal phosphors. J Russ Laser Res 4, 179–188 (1983). https://doi.org/10.1007/BF01120141

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Keywords

  • Heat Transfer
  • Basic Characteristic
  • Microwave Radiation
  • Visible Image
  • Radiation Field