Silicon cells embedded in the solar panels today can absorb only the long wave radiation emitted by the sun. This leaves the short wave radiation of the solar spectrum unused. Using dichromatic mirrors, the latest solar panel technology splits the white light of the sun into short wave and long wave radiation. As different semiconductor material respond to light of different wavelengths, the short wave radiation is routed to gallium or indium based solar cells for power generation. While the long wave radiation is utilized by silicon based solar cells. Using this solar panel technology, an efficiency of 40 % has been achieved during the research phase. The cost per watt of solar power generation can drop down to less than U.S $3, with the use of this technology .
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