Satellites will be another relay, performing the same mission in space.
Long-endurance drones, loitering at high altitude at intervals, could beam laser energy to one another over long distances, finally sending it down to a U.S. These relays will allow these existing technologies to come together effectively to form a resilient, adaptive, multi-path wireless energy network.”ĭrones will be one of those relays. “Building on these advancements, DARPA sees a significant opportunity to revolutionize energy distribution by developing effective relays. DARPAĪnother key technology in POWER is the use of relays. POWER aims to eliminate the temporary conversion to DC energy currently required in beaming laser energy. The relays redirect the laser energy without conversion, and then the end user converts that laser energy back into electricity using narrow-bandgap-tuned monochromatic photovoltaics.” For POWER, the propagating wave is a laser which provides long-range high-throughput capability when transmitted at high altitudes. “There are other potential power-beaming modalities, such as microwaves, that we intend to explore in future programs. “POWER is an optical power beaming program,” Calhoun says. POWER’s key technology is the use of high-powered lasers. “On the technology side, significant advancements have been made in high-energy lasers, wavefront sensing, adaptive optics, high-altitude electric air platforms, safety interlocks, and narrow-bandgap-tuned high-efficiency photovoltaics.” Enter Project POWER And that problem is growing more acute with each passing year. Many of these forces operate their own radars anti-drone microwave weapons or lasers or other energy-intensive equipment, with no easy way to supply them with power. forces-such as the special operations forces he resupplied as a C-17 transport pilot-are operating from distant bases worldwide, from the South China Sea to the Iraqi desert. “First of all, the environment has changed, and the need for more resilient energy transport methods for military operations is at a premium,” he explains by email. Will Long-Range Wireless Electricity Work?.
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