The smartphone will be charged by laser beam!
Researchers at South Korea's Sejong University have developed a new technology for wireless charging. Recently, they have been able to wirelessly charge devices up to 98 feet (30 meters) away using an infrared laser beam (light). Using this technology, mobile phones and various smart devices can be charged in the future.
The researchers say, in their invented infrared laser-method, 400 megawatts of light power has been reached up to a distance of 30 meters. This light is enough to charge small sensors. Researchers convert light energy into electricity during experiments. Later this technology can be developed and used in mobile phones.
However, many people have concerns about the use of laser beams. The researchers assure that the technology they have developed is completely safe. In addition, this laser can be kept in a low power mode when not in use. In technical terms it is called, 'Distributed Lasautomatically Jinyoung Ha, a researcher at Sejong University, said, "Currently, most wireless systems require the charging device to be placed in a special device or placed in a fixed location. But in distributed laser charging technology, the charge sending device or transmitter and the receiver of charging itself determine the direction for charging. That is, if the transmitter and receiver are on the same line, charging will continue automatically.
The wavelength of the laser is 1,550 nanometers. This means, it does not harm human eyes or skin. However, research on this topic is still new. The researchers hope that through further research they will be able to solve the charging problem.