Office of Energy Efficiency & Renewable Energy – Total Internal Reflection

The trapping of light by refraction and reflection at critical angles inside a semiconductor device so that it cannot escape the device and must be eventually absorbed by the semiconductor. Continue reading Office of Energy Efficiency & Renewable Energy – Total Internal Reflection

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Office of Energy Efficiency & Renewable Energy – SPS (Satellite Power System)

Concept for providing large amounts of electricity for use on the Earth from one or more satellites in geosynchronous Earth orbit. Continue reading Office of Energy Efficiency & Renewable Energy – SPS (Satellite Power System)