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The efficient power operation in a chemical oxygen-iodine laser for subsonic and supersonic modes has been demonstrated. It is shown that the substitution of the buffer gas N2 by CO2 does not cause any significant variation in the dependence of the output power on the degree of dilution of the active medium. The maximum power was 581W for the flow rate of molecular chlorine 22mMol∕s that corresponds to a chemical efficiency of ηchem=29%.

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The types of optical radiation photodetectors have been considered according to the principle of action. A theoretical and experimental study of the electron generation mechanism in the structure “carbon nanotubes – silicon substrate” under the influence of the far infrared range radiation has been carried out. It has been established that such structures are thermal radiation receivers of the bolometric type.