| 摘要 |
The proposed radiometer for measuring energy of optical radiation contains an illumination transducer, a voltage converter, a functional converter, an analog-to-digital converter, a digital indicator, and an optical system. The optical system contains a diaphragm, a hollow waveguide that consists of two metallic tubes, and a reflector. The optical radiation flux from the radiation source enters the corresponding input of the waveguide through the input window that acts as the flux restrictor. The radiation flux that is reflected from the reflector enters the corresponding input of the waveguide through the diaphragm. The diameter of the diaphragm is selected depending on the energy range of the controlled optical radiation.
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