Peculiarities of resonant absorption of electromagnetic signals in multilayer bolometric sensors

HIGHLIGHTS

SUMMARY

    The bolometric detection technique is gaining popularity. It was shown that if one disposes the dielectric plate behind the layer with free charge carriers, the transmitted as well as the absorbed energy of the incident pulse can be dramatically increased for certain frequency bands depending on thickness and permittivity of the dielectric plate. The physics of resonant amplification becomes clearer if one reminds that such a dielectric plate can be treated as an electromagnetic resonator. In, the situation when the dielectric resonator is located between the plasma layer with supercritical electron_density and perfectly conducting . . .

     

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