Home battery charging Charging a smartphone wirelessly across the room using a laser. 2004. New wireless charging tech juices your phone from across the room using lasers Researchers installed a skinny vigor phone to the returned of a smartphone, which costs the smartphone the use of power from the laser … We demonstrate a novel laser-based wireless power delivery system that can charge mobile devices such as smartphones across a room. The team says that the method of charging … Europeans Space Agency (ESA)-Advanced Concepts Team (2009). The researchers designed the laser emitter to terminate the charging beam when any object — such as part of a person’s body — comes into contact with one of the guard beams. Using a laser to wirelessly charge a smartphone safely across a room. https://doi.org/10.1364/CLEO_SI.2014.STu3M.5. USB 2.0 Standard. “These features give our wireless charging system the robust safety standards needed to apply it to a variety of commercial and home settings.”. Resonant wireless power transfer to ground sensors from a UAV. Towards Autonomously-Powered CRFIDs. In 8th ESA Workshop on Advanced Space Technologies for Robotics and Automation. Using a laser to wirelessly charge a smartphone safely across a room. 5166--5172. https://doi.org/10.1109/IROS.2011.6094731, Adafruit. Summerer Leopold and Oisin Purcell. “The beam delivers charge as quickly as plugging in your smartphone to a USB port,” said co-lead author Elyas Bayati, a UW doctoral student in electrical engineering. (2001). In 2011 International Conference on Space Optical Systems and Applications (ICSOS). 567. But engineers at the University of Washington have for the first time developed a method to safely charge a smartphone wirelessly using a laser. In Proceedings of the 2014 ACM Conference on SIGCOMM (SIGCOMM ‘14). If so, the pre-bedtime task of plugging in your smartphone, tablet or laptop may someday be replaced with a simpler ritual: placing it on a table. 2015. Laser power for UAVs. Effects of ultrasonic noise on the human bodyâĂŤa bibliographic review. Thursday, November 26 2020. Engineering  |  News releases  |  Research  |  Science. 2004. In 2013 Texas Symposium on Wireless and Microwave Circuits and Systems (WMCS). In Solar Power from Space-SPS‘04, Vol. Share. As the team reports in a paper published online in December in the Proceedings of the Association for Computing Machinery on Interactive, Mobile, Wearable & Ubiquitous Technologies, a narrow, invisible beam from a laser emitter can deliver charge to a smartphone sitting across a room — and can potentially charge a smartphone as quickly as a standard USB cable. Hal E Bennett. https://doi.org/10.1145/2716281.2836089, Wibotic. (2017). 2009. http://www.wibotic.com/, Charging a Smartphone Across a Room Using Lasers, All Holdings within the ACM Digital Library. 2004. 22 February 2018. KA Unnikrishna Menon, Achyuta Gungi, and Balaji Hariharan. http://www.ossia.com/, André Kurs, Aristeidis Karalis, Robert Moffatt, J. D. Joannopoulos, Peter Fisher, and Marin Soljačić. Share . 2011. Demonstration of eye-safe (1550 nm) terrestrial laser power beaming at 30 m and subsequent conversion into electrical power using dedicated photovoltaics. The key challenges in achieving this are multi-fold: delivering greater than a watt of power across the room, minimizing the exposure of the resulting high-power lasers to human tissue, and finally ensuring that the design meets the form-factor requirements of a smartphone and requires minimal instrumentation to the environment. In Computing, Communication and Networking Technologies (ICCCNT), 2014 International Conference on. IEEE Antennas and Propagation Magazine 48, 1 (2006), 157--159. Science 317, 5834 (2007), 83--86. https://doi.org/10.1126/science.1143254 arXiv:http://science.sciencemag.org/content/317/5834/83.full.pdf. NASA. Q. Liu, J. Wu, P. Xia, S. Zhao, W. Chen, Y. Yang, and L. Hanzo. IEC 60825-1 2001. “In addition to the safety mechanism that quickly terminates the charging beam, our platform includes a heatsink to dissipate excess heat generated by the charging beam,” said Majumdar, who is also a researcher in the UW Molecular Engineering & Sciences Institute. The beam charges the smartphone via a power cell mounted on the back of the phone. The key challenges in achieving this are multi-fold: delivering greater than a watt of power across the room, minimizing the exposure of the resulting high-power lasers to human tissue, and finally ensuring that the design meets the form-factor requirements of a smartphone and requires minimal instrumentation to the environment. Researchers have long speculated that a device like this might make wires and charging cables a thing of the past, allowing people to beam energy invisibly across a room to … http://www.meadowlark.com/store/data_sheet/opticalshutter.pdf, Aaron N. Parks, Angli Liu, Shyamnath Gollakota, and Joshua R. Smith. 2014. Turbocharging Ambient Backscatter Communication. In Proceedings of the ACM SIGCOMM 2013 Conference on SIGCOMM (SIGCOMM ‘13). The wireless charging system created by University of Washington engineers. This is achieved by mounting a thin power cell to the back of a smartphone, which enables it to absorb power from the laser. February 21, 2018. Share. “Safety was our focus in designing this system,” said co-author Shyam Gollakota, an associate professor in the UW’s Paul G. Allen School of Computer Science & Engineering. 2011. The charging laser and guard lasers are normally invisible to the human eye, but red beams have been inserted here in place of the guard beams for demonstration purposes. (2017). (Image Source; University of Washington) Scientists, including those of Indian origin, have developed a laser emitter that can safely charge a smartphone across a room as quickly as a standard USB cable. http://www.usb.org/developers/docs/usb20_docs/, Monia Ghobadi, Ratul Mahajan, Amar Phanishayee, Nikhil Devanur, Janardhan Kulkarni, Gireeja Ranade, Pierre-Alexandre Blanche, Houman Rastegarfar, Madeleine Glick, and Daniel Kilper. Copyright © 2021 ACM, Inc. 2017. A team from the University of Washington has demonstrated how lasers could be used to charge a device from across the room. Seeed Studios. To ensure that the charging beam does not overheat the smartphone, the team also placed thin aluminum strips on the back of the smartphone around the power cell. For more information, contact the team at laserpower@cs.washington.edu. 2004. If you forgot your charger today, engineers from the University of Washington have a solution for you — and it’s lasers. ([n. d.]). 2006. Custom 3-D printed “retroreflectors” placed around the power cell on the smartphone reflect the guard beams back to photodiodes on the laser emitter. 2014. 2000. The team created a way for a narrow, invisible beam to charge a phone from across the room and at a speed just as fast as the modern USB cable. Ambient Backscatter: Wireless Communication out of Thin Air. “We have designed, constructed and tested this laser-based charging system with a rapid-response safety mechanism, which ensures that the laser emitter will terminate the charging beam before a person comes into the path of the laser.”, The University of Washington engineers behind the wireless charging system for mobile devices.Standing (left-to-right): Vikram Iyer, Shyam Gollakota, Elyas Bayati.Seated (left-to-right): Rajalakshmi Nandakumar, Arka Majumdar.Mark Stone/University of Washington. For example, the interlock of the MHGoPower LSM-010 laser has a … Scientists, together with those of Indian beginning, have developed a laser emitter that can safely cost a smartphone across a room as promptly as a common USB cable. (2011). The UW team’s prototype laser emitter. © 2021 University of Washington | Seattle, WA, Using a laser to wirelessly charge a smartphone safely across a room, Proceedings of the Association for Computing Machinery on Interactive, Mobile, Wearable & Ubiquitous Technologies, Molecular Engineering & Sciences Institute, Department of Electrical & Computer Engineering, Paul G. Allen School of Computer Science & Engineering, In pandemic milestone, UW brings COVID-19 vaccines to frontline health care workers, Bait and switch: Mislabeled salmon, shrimp have biggest environmental toll, UW announces Maggie Walker Deanship in the College of the Environment. 2015. Planar Retroreflector, In CLEO: 2014. The safety system that shuts off the charging beam centers on low-power, harmless laser “guard beams,” which are emitted by another laser source co-located with the charging laser-beam and physically “surround” the charging beam. "The laser used for the charging is normally colorless; however, for demonstration purposes the investigators used red beams. Advanced Thermal Solutions. High intensity laser power beaming architecture for space and terrestrial missions. ACM, New York, NY, USA, 393--394. https://doi.org/10.1145/1460412.1460468, Matthew J. Chabalko, Mohsen Shahmohammadi, and Alanson P. Sample. “But instead of plugging your phone in, you simply place it on a table.”, The UW team’s prototype heatsink assembly, which can be attached to the back of a smartphone, consists of a photovoltaic cell (silver square, top) attached to a thermoelectric generator (in white). To accomplish this, the team mounted a thin power cell to the back of a smartphone, which charges the smartphone using power from the laser. (Shanghai) Co. 2001. 4. If you're trying to subscribe with a non-UW email address, please email uwnews@uw.edu for assistance. Yunxin Liu, Zhen Qin, and Chunshui Zhao. IEC 60950-1 (2005) 2005. Using a laser to wirelessly charge a smartphone safely across a room. IEEE Vehicular Technology Magazine 11, 4 (Dec 2016), 36--45. https://doi.org/10.1109/MVT.2016.2594944, Vincent Liu, Aaron Parks, Vamsi Talla, Shyamnath Gollakota, David Wetherall, and Joshua R. Smith. Charging a smartphone wirelessly across the room using a laser. Design of a flexible high performance quadcopter platform breaking the MAV endurance record with laser power beaming. ATS-6000-C1-RO. The entire assembly is only 8mm thick and 40mm wide.Mark Stone/University of Washington. Gollakota and co-author Arka Majumdar, a UW assistant professor of physics and electrical engineering, led the team that designed this wireless charging system and its safety features. They developed a new type of cell on the back of a smartphone, and that cell reacts with the laser and converts that energy to charge the phone. An optical wireless power transfer system for rapid charging. TEC1-12706. http://wiki.seeedstudio.com/index.php?title=0.5w_Solar_Panel_55*70, Vamsi Talla, Bryce Kellogg, Benjamin Ransford, Saman Naderiparizi, Shyamnath Gollakota, and Joshua R. Smith. ACM, New York, NY, USA, 39--50. https://doi.org/10.1145/2486001.2486015. 1--4. https://doi.org/10.1109/WMCaS.2013.6563551, A. Sahai and D. Graham. Coherent Inc. 2017. [n. d.]. Safety of Laser Products. Communication hardware, interfaces and storage. They've engineered a new way to charge a smartphone by using a system of laser beams. Check if you have access through your login credentials or your institution to get full access on this article. Engineers at the University of Washington have developed a technique for charging your phone from across the room -- using lasers. https://www.digikey.com/product-detail/en/advanced-thermal-solutions-inc/ATS-60000-C1-R0/ATS1376-ND/1285090, Sony. Using a laser to wirelessly charge a smartphone safely across a room Date 2018-02-25 Category News Tags UW.Edu “ Although mobile devices such as tablets and smartphones let us communicate, work and access information wirelessly, their batteries must still be charged by plugging them in to an outlet. Next to each guard beam port are clear photodiodes, which detect the guard beams when they’re reflected back to the emitter by retroreflectors on the phone.Mark Stone/University of Washington. Interruption of the guard beams triggers a safety system which blocks the charging beam.Mark Stone/University of Washington, “The guard beams are able to act faster than our quickest motions because those beams are reflected back to the emitter at the speed of light,” said Gollakota. This paper presents a novel, and to the best of our knowledge, the first design, implementation and evaluation of an end-to-end power delivery system that satisfies all the above requirements. Concepts for wireless energy transmission via laser. 2013. We use cookies to ensure that we give you the best experience on our website. Efficient wireless power transfer using underground relay coils. To ensure that the charging beam does not overheat the smartphone, the team also placed thin aluminum strips on the back of the smartphone around the power cell. In 2013 IEEE 39th Photovoltaic Specialists Conference (PVSC). Billy Hurley, Digital Editorial Manager . Engineers at the University of Washington have demonstrated the ability to charge a smartphone wireless from across a room using a laser. AutoCharge: Automatically Charge Smartphones Using a Light Beam. Engineers at the University of Washington have for the first time developed a method to safely charge a smartphone wirelessly using a laser. These strips act … Standard. The blocking of the guard beams can be sensed quickly enough to detect the fastest motions of the human body, based on decades of physiological studies. As the team reports in a paper published online in December in the Proceedings of the Association for Computing Machinery on Interactive, Mobile, Wearable & Ubiquitous Technologies, a narrow, invisible beam from a laser emitter can deliver charge to a smartphone sitting across a room - and can potentially charge a smartphone as quickly as a standard USB cable. Home; UW Department of Electrical & Computer Engineering; Spotlights ; Using a laser to wirelessly charge a smartphone safely across a room. Engineers at the University of Washington have for the first time developed a method to safely charge a smartphone wirelessly using a laser. 2013. Powering the Next Billion Devices with Wi-fi. But the emitter can be modified to expand the charging beam’s radius to an area of up to 100 square centimeters from a distance of 12 meters, or nearly 40 feet. ProjecToR: Agile Reconfigurable Data Center Interconnect. Charging a Smartphone Across a Room Using Lasers • 143:3 exposure time. 2016. This extension means that the emitter could be aimed at a wider charging surface, such as a counter or tabletop, and charge a smartphone placed anywhere on that surface. 2017. SPIE Laser Power Beaming II Proceedings (1995). They even harvested a small amount of this heat to help charge the smartphone — by mounting a nearly-flat thermoelectric generator above the heatsink strips. (2004). More about Smartphone, Laser, Wireless, Charger further break news from phone Laser Wireless Charger Using a laser to wirelessly charge a phone significantly across a room Taysir Nayfeh, Brian Fast, Daniel Raible, Dragos Dinca, Nick Tollis, and Andrew Jalics. The wireless charging system created by University of Washington engineers. A narrow beam can deliver a steady 2W of power to 15 square-inch area from a distance of up to 4.3 meters, or about 14 feet. Four low-powered guard beams are emitted from ports surrounding the guard beam. https://www.adafruit.com/product/1054, Amir Arbabi, Yu Horie, and Andrei Faraon. In 2011 IEEE/RSJ International Conference on Intelligent Robots and Systems. 2011. 2013. Laser diode- Red. International Electrotechnical Commission. Check out the GeekWire Summit lineup A smartphone is powered up using a laser-based charging system. (1995). These strips act as a heatsink, dissipating excess heat from the charging beam and allowing the laser to charge the smartphone … The generator is mounted on top of an aluminum heatsink. 0.5W Solar panel. But the genius researchers over at the University of Washington have developed a way to charge your phone from across the room using freakin’ laser beams! Although mobile devices such as tablets and smartphones let us communicate, work and access information wirelessly, their batteries must still be charged by plugging them in to an outlet. University of Washington, Seattle, WA, USA. The research was funded by the National Science Foundation, the Alfred P. Sloan Foundation and Google Faculty Research Awards. 2007. FingerIO: Using Active Sonar for Fine-Grained Finger Tracking. RFID Sensor Networks with the Intel WISP. 2009. (2004). Ossia Inc. 2017. [n. d.]. Quasistatic Cavity Resonance for Ubiquitous Wireless Power Transfer. Measurement Science and Technology 21, 10 (2010), 105207. (2011), 804514-804514-8 pages. CLEO: 2014, STu3M.5. In Proceedings of the 2016 ACM SIGCOMM Conference (SIGCOMM ‘16). http://energous.com/, USB Implementers Forum. In Robotics and Automation (ICRA), 2012 IEEE International Conference on. Engineers at the University of Washington have developed a method to safely charge a smartphone wirelessly — using a laser. Researchers mounted a thin power cell to the back of a smartphone, which charges the smartphone using power from the laser. DOD and Navy applications for laser power beaming. ACM, New York, NY, USA, 1515--1525. https://doi.org/10.1145/2858036.2858580. International Journal of Occupational Safety and Ergonomics 19, 2 (2013), 195--202. 1--10. Co-author is Rajalakshmi Nandakumar, a UW doctoral student in the Allen School. Integrated guided wave generation and sensing using a single laser source and optical fibers. J. Mukherjee, W. Wulfken, H. Hartje, F. Steinsiek, M. Perren, and S. J. Sweeney. 2010. ACM, New York, NY, USA, Article 4, 13 pages. Standard. Brent Griffin and Carrick Detweiler. Hyeonseok Lee, Hyun-Jun Park, Hoon Sohn, and Il-Bum Kwon. Energous. Researchers from the University of Washington have devised a new way to charge a smartphone from across the room using lasers. International Electrotechnical Commission. PLOS ONE 12, 2 (02 2017), 1--14. https://doi.org/10.1371/journal.pone.0169045. 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