A high-power high-efficiency laser power transmission system at 100m based on an optimized multi-cell GaAs converter capable of supplying 9.7W of electricity is demonstrated. An I V testing system integrat, ed with a ...A high-power high-efficiency laser power transmission system at 100m based on an optimized multi-cell GaAs converter capable of supplying 9.7W of electricity is demonstrated. An I V testing system integrat, ed with a data acquisition circuit and an analysis software is designed to measure the efficiency and the I V characteristics of the laser power converter （LPC）. The dependencies of the converter＇s efficiency with respect to wavelength, laser intensity and temperature are analyzed. A diode laser with 793nm of wavelength and 24 W of power is used to test the LPC and the software. The maximum emciency of the LPC is 48.4% at an input laser power of 8 W at room temperature. When the input laser power is 24 W （laser intensity of 60000 W/m^2）, the efficiency is 40.4% and the out,put voltage is 4 V. The overall efficiency from electricity to dectricity is 11.6%.展开更多
文摘A high-power high-efficiency laser power transmission system at 100m based on an optimized multi-cell GaAs converter capable of supplying 9.7W of electricity is demonstrated. An I V testing system integrat, ed with a data acquisition circuit and an analysis software is designed to measure the efficiency and the I V characteristics of the laser power converter （LPC）. The dependencies of the converter＇s efficiency with respect to wavelength, laser intensity and temperature are analyzed. A diode laser with 793nm of wavelength and 24 W of power is used to test the LPC and the software. The maximum emciency of the LPC is 48.4% at an input laser power of 8 W at room temperature. When the input laser power is 24 W （laser intensity of 60000 W/m^2）, the efficiency is 40.4% and the out,put voltage is 4 V. The overall efficiency from electricity to dectricity is 11.6%.
