Large Solar Radiation Simulators for Thermal Vacuum Tests of Non-Container Spacecraft Article provides an overview of solar radiation simulators based on the principle of summation of light streams from an array of gas discharge lamps. Current trends of stands for the ground experimental testing of spacecraft using solar radiation simulators are analyzed as well.
Laser Gyroscope Is 50 Years Old. Part II Optical gyroscopes still retain leading positions in the navigation systems and tactical targeting systems market. If in the low accuracy sensors market sector dominate MEMS sensors due to their low price and compactability, in the strategic navigation systems laser gyroscopes percent is large in spite of fiber-optic and micromechanical gyroscopes active competition. The article brings of an overview of laser gyroscopes market state.
Formation of Thin Films for Creation of Solar Cells Developed technology for producing photovoltaic components on the basis of hydrogenised amorphous and nanocrystalic silicon-hydrogen compound thin-films leads to an 11.2 percent increase of solar energy to electricity conversion.
OJSC NRI Electron Produced Current Visible, Ultraviolet and Near-Infrared Spectral Photodetectors Acquisition accuracy of approaching small-sized bodies in the bright lighting objects field can be increased with the help of solar-blind in the UV radiation spectrum photodetectors. The article introduces phtodetector devise for multiband electrooptical visual, UV and near-infrared radiation spectrums
Cooled Monolithic Arrays of Infra-Red Band. Batch Production Use Currently, for the operation within the range of 1.5–5.5 µm cooled photon detector arrays are widely used. In IR micro-photoelectronic technologies two types of photodetecting arrays are used: monolithic and hybrid. The results of environmental tests products afford ground for chossing the monolithic designs.
Using Si PM in the Sphinx Station UHE Neutrinos Detector Si PM new generation permits to achieve a high quality analog signal. Cosmic rays induced pulses can be simply distinguished by a Si PM. That’s why Si PM are used for ultrahigh energy cosmic rays registration.
Sun Photometers. Langely Calibration Method Modernization For tracing small space objects a correct estimation of solar radiation is necessary. For this purpose the photometric apparatus is subject to predetermined calibration. A improved sun photometers Langely calibration procedure is proposed.