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South Korea develops Infrared Wireless Charging of phones from 30 meters away

As phones, headphones and smartwatches and other devices introduced wireless charging capabilities, users of these electronic devices to charge more and more conveniently. But limited by the distance of wireless charging, the wireless charging function does not fully play its role.

According to an Aug. 30 report by Optica, the leading open source journal of the Optical Society of America, a team of researchers at South Korea’s Sejong University has developed a new system that uses an infrared laser to wirelessly transmit 400 mW of light power up to 100 feet (about 30 meters) away through a receiver that converts that energy into 85 mW of electricity, meaning that users can charge their phones and other devices as long as they are in the room equipped with the system. This means that users can charge their cell phones and other devices as long as they are in the room with the system.

According to the report, the wireless charging system consists of two main parts: a transmitter that can be installed in the room, and a receiver that can be integrated into electronic devices. The transmitter is an optical power source that uses an erbium-doped fiber amplifier to produce an infrared beam with a central wavelength of 1550 nm.

The team says the system can automatically align and charge the emitter and receiver as long as they are within each other’s reception range. If an object or person blocks the transmission path, the system will automatically shift to a safe, low-power transmission mode.

Jinyong Ha, head of the research team, said that the system to wirelessly power devices such as phones or tablets, the user will no longer need to carry a power cord. In addition, the system can also power a variety of smart devices, such as Internet of Things (loT) devices in the home and devices used to monitor production conditions in factories.

The research team is working to make the system more practical, such as improving the efficiency of photovoltaic cells, so that they can better convert light energy into electricity. In addition, the team hopes to develop a new method that will allow the system to charge multiple receivers at the same time.

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Threza Gabriel
Threza Gabrielhttps://www.techgoing.com
TechGoing is a global tech media to brings you the latest technology stories, including smartphones, electric vehicles, smart home devices, gaming, wearable gadgets, and all tech trending.
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