European scientists from the Consortium for the Development of Wireless Power Systems for Nanosatellites have successfully demonstrated the process of charging devices from a very long distance using a conventional laser .
The idea is considered a major breakthrough, as lasers have previously been used primarily for transmitting information or as a form of energy weapon.
The consortium includes several research institutes in Spain, France and Portugal. Their joint research is part of the Innovative Wireless Power Devices using Microtherm Generators (WiPTherm) program, which enables the development of prototypes of new wireless power transmission systems.
The research results are expected to be applied first to micro- and nano-satellites to provide energy for them. Because of the size of these satellites, scientists have not been able to equip them with conventional solar panels.
The principle of charging devices using this method is quite simple. A laser beam will be shined on the sensors, causing their temperature to increase and creating an electric current in the receiver system.
The device's optical system includes multiple lenses and a large number of pyroelectric sensors (27 pieces). A laser beam, which is light with a wavelength of 1550 nanometers, acts as a transmitter.
Similar types of lasers are commonly used in fiber optic technology. The current system being developed by scientists is expected to be able to transmit up to 1kW of power using a laser beam.
This technology is not yet fully ready and will need to be further refined in the future.
(according to OL)
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