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The use of solar energy systems among renewable energy sources is gaining importance day by day. Photovoltaic systems have a special importance among solar energy systems. Although the incident light flux increases the electrical energy produced in the solar panels, the increase in temperature caused by the radiation reduces the efficiency of the solar panels. Important methods are being studied in order to increase this falling efficiency. Dynamic cooling systems are one of the important methods used in this field. In this study, a dynamic cooling mechanism was designed and developed for a double-faced photovoltaic power generation system. From this point, it was concluded that temperature is one of the important factors affecting the efficiency of solar panels. [ABSTRACT FROM AUTHOR]

Lasers show considerable differences in terms of their basic features compared to white light sources. Among them, monochromatic structure is the most basic feature. Because of these features, lasers find important application areas in daily life. One of the application areas of lasers is the use of lasers in distance measurement. Three different methods are used in the laser distance measurement: Interference Measurement Method, Beam Modulation Telemetry and Pulse Echo Techniques. These three different methods have significant differences and advantages over each other. [ABSTRACT FROM AUTHOR]

Different techniques such as electro-optic, magneto-optic, acousto-optic methods have been utilized in the light modulation process. When they are compared each other, it is clear that each method has a different importance in the practical applications. In this work a study on the laser based light modulation technique has been concerned. For this purpose an opto-mechanical system has been designed and produced and at the end of the experimental study some typical results related to light modulation have been obtained. [ABSTRACT FROM AUTHOR]