DARPA has begun the first phase of development for its Persistent Optical Wireless Energy Relay (POWER) program by selecting participating companies.
“This project has the potential to advance power beaming by orders of magnitude, which could radically reshape society’s relationship with energy,” said Dr. Paul Jaffe, who leads the POWER program at DARPA. “A wireless energy web could unlock power from new and diverse sources, including from space, and rapidly and reliably connect them to energy-starved consumers," he added.
The assessment of each relay design will be based on its ability to redirect energy accurately and efficiently, correct wavefronts to ensure high beam quality, and harvest energy with the adjustable throttle. During the last and most important stage of the program, the relays will be tested in an airborne optical pathway to deliver 10 kilowatts of optical energy to a ground receiver that is 124 miles away from the ground source laser.
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