Laser power for UAVs. IEEE, 2660--2665. Resonant wireless power transfer to ground sensors from a UAV. 1--4. https://doi.org/10.1109/WMCaS.2013.6563551, A. Sahai and D. Graham. Towards Autonomously-Powered CRFIDs. 1074--1076. https://doi.org/10.1109/PVSC.2013.6744326, Rajalakshmi Nandakumar, Vikram Iyer, Desney Tan, and Shyamnath Gollakota. Share . Shane S. Clark, Jeremy Gummeson, Kevin Fu, and Deepak Ganesan. Standard. 2014. http://peltiermodules.com/peltier.datasheet/TEC1-12706.pdf. Demonstration of eye-safe (1550 nm) terrestrial laser power beaming at 30 m and subsequent conversion into electrical power using dedicated photovoltaics. 2013. 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. 1995. The wireless charging system created by University of Washington engineers. 2011. PDB-C156. http://energous.com/, USB Implementers Forum. Standard. Effects of ultrasonic noise on the human bodyâĂŤa bibliographic review. Ltd Hebei I.T. Copyright © 2021 ACM, Inc. The ACM Digital Library is published by the Association for Computing Machinery. If you forgot your charger today, engineers from the University of Washington have a solution for you — and it’s lasers. Our results show that we can deliver more than 2 W at ranges of 4.3 m and 12.2 m for a smartphone (25 cm2) and table-top form factor (100 cm2) receiver respectively. http://www.wibotic.com/, Charging a Smartphone Across a Room Using Lasers, All Holdings within the ACM Digital Library. https://doi.org/10.1117/12.886169, Meadowlark Optics. Engineers at the University of Washington have demonstrated the ability to charge a smartphone wireless from across a room using a laser. Europeans Space Agency (ESA)-Advanced Concepts Team (2009). 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. (2017). A focused near-infrared beam, which can extend up to 40 feet, delivers … (2017). In Proceedings of the 11th ACM Conference on Emerging Networking Experiments and Technologies (CoNEXT ‘15). For more information, contact the team at laserpower@cs.washington.edu. IEEE, 1--5. E Hoffert, P Soukup, and M Hoffert. MTP2955. Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies, M. C. Achtelik, J. Stumpf, D. Gurdan, and K. M. Doth. 2004. Researchers installed a skinny vigor phone to the returned of a smartphone, which costs the smartphone the use of power from the laser … Custom 3-D printed “retroreflectors” placed around the power cell on the smartphone reflect the guard beams back to photodiodes on the laser emitter. 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 … The researchers’ technology enables a laser emitter’s narrow, invisible beam to power up a smartphone from across the room — perhaps as quickly as a standard USB cable. Engineering  |  News releases  |  Research  |  Science. ([n. d.]). Rev. 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. 2013. 2014. 2000. 1--10. 2016. The charging laser and guard lasers are normally invisible to the human eye, but red beams have been inserted in place of the guard beams for demonstration purposes.Mark Stone/University of Washington. In Proceedings of the 2016 CHI Conference on Human Factors in Computing Systems (CHI ‘16). USB 2.0 Standard. ACM, New York, NY, USA, 1515--1525. https://doi.org/10.1145/2858036.2858580. Energous. In 2011 IEEE/RSJ International Conference on Intelligent Robots and Systems. Optical wireless power transmission at long wavelengths. 2009. Ossia Inc. 2017. Share. (2017). 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. 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 Summerer Leopold and Oisin Purcell. If you're trying to subscribe with a non-UW email address, please email uwnews@uw.edu for assistance. Using a laser to wirelessly charge a smartphone safely across a room. http://www.ossia.com/, André Kurs, Aristeidis Karalis, Robert Moffatt, J. D. Joannopoulos, Peter Fisher, and Marin Soljačić. DOD and Navy applications for laser power beaming. The guard beams deliver no charge to the phone themselves, but their reflection from the smartphone back to the emitter allows them to serve as a “sensor” for when a person will move in the path of the guard beam. https://www.adafruit.com/product/1054, Amir Arbabi, Yu Horie, and Andrei Faraon. Quasistatic Cavity Resonance for Ubiquitous Wireless Power Transfer. “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. 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. Four low-powered guard beams are emitted from ports surrounding the guard beam. TEC1-12706. The UW team’s prototype laser emitter. Concepts for wireless energy transmission via laser. 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. Charging a Smartphone Across a Room Using Lasers • 143:3 exposure time. KA Unnikrishna Menon, Achyuta Gungi, and Balaji Hariharan. IEC 60950-1 (2005) 2005. (2015). Researchers developed a cell that can power a smartphone using energy from laser beams – and it charges just as quickly as a direct connection with a USB cable. 22 February 2018. ACM, New York, NY, USA, Article 4, 13 pages. For example, the interlock of the MHGoPower LSM-010 laser has a … Share. The wireless charging system created by University of Washington engineers. An optical wireless power transfer system for rapid charging. (1995). Engineers at the University of Washington have for the first time developed a method to safely charge a smartphone wirelessly using a laser. The generator is mounted on top of an aluminum heatsink. Engineers at the University of Washington have developed a method to safely charge a smartphone wirelessly — using a laser. Q. Liu, J. Wu, P. Xia, S. Zhao, W. Chen, Y. Yang, and L. Hanzo. https://images-na.ssl-images-amazon.com/images/I/714s6fjypPS.pdf. (2011). 2017. 2017. ProjecToR: Agile Reconfigurable Data Center Interconnect. Thomas J. Nugent, Jr. and Jordin T. Kare. http://www.meadowlark.com/store/data_sheet/opticalshutter.pdf, Aaron N. Parks, Angli Liu, Shyamnath Gollakota, and Joshua R. Smith. To manage your alert preferences, click on the button below. 1995. 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. In Robotics and Automation (ICRA), 2012 IEEE International Conference on. ChargingaSmartphoneAcrossaRoomUsingLasers • 143:5 0 20 40 60 80 100 120 140 0 5 10 15 20 25 30 0 % 0.2 % 0.4 % 0.6 % 0.8 % 1 % Transmit Power (kW) Efficiency In 2013 IEEE 39th Photovoltaic Specialists Conference (PVSC). In Computing, Communication and Networking Technologies (ICCCNT), 2014 International Conference on. 2007. CLEO: 2014, STu3M.5. ACM, New York, NY, USA, 216--229. https://doi.org/10.1145/2934872.2934911. Co-author is Rajalakshmi Nandakumar, a UW doctoral student in the Allen School. Power Beaming for Space-Based Electricity on Earth: Near-Term Experiments with Radars, Lasers and Satellites. Taysir Nayfeh, Brian Fast, Daniel Raible, Dragos Dinca, Nick Tollis, and Andrew Jalics. But engineers at the University of Washington have for the first time developed a method to safely charge a smartphone wirelessly using a laser. 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. Researchers from the University of Washington have devised a new way to charge a smartphone from across the room using lasers. 2011. The entire assembly is only 8mm thick and 40mm wide.Mark Stone/University of Washington. 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. 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. 2004. These strips act … 2017. IEEE Antennas and Propagation Magazine 48, 1 (2006), 157--159. 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. University of Washington students have figured out a secure way to charge a smartphone with almost-infrared lasers. Home; UW Department of Electrical & Computer Engineering; Spotlights ; Using a laser to wirelessly charge a smartphone safely across a room. Billy Hurley, Digital Editorial Manager . 2016. 5166--5172. https://doi.org/10.1109/IROS.2011.6094731, Adafruit. Measurement Science and Technology 21, 10 (2010), 105207. (2011), 804514-804514-8 pages. Home battery charging Charging a smartphone wirelessly across the room using a laser. © 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. Electret Condenser Microphone. International Electrotechnical Commission. 2011. (2017). In Solar Power from Space-SPS‘04, Vol. International Electrotechnical Commission. The researchers programmed the smartphone to signal its location by emitting high-frequency acoustic “chirps.” These are inaudible to our ears, but sensitive enough for small microphones on the laser emitter to pick up. https://doi.org/10.1364/CLEO_SI.2014.STu3M.5. Seeed Studios. The wireless charging system created by University of Washington engineers. NASA. FingerIO: Using Active Sonar for Fine-Grained Finger Tracking. Efficient wireless power transfer using underground relay coils. Share 0. (2004). 2010. Thursday, November 26 2020. These strips act as a heatsink, dissipating excess heat from the charging beam and allowing the laser to charge the smartphone … 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. Science 317, 5834 (2007), 83--86. https://doi.org/10.1126/science.1143254 arXiv:http://science.sciencemag.org/content/317/5834/83.full.pdf. International Journal of Occupational Safety and Ergonomics 19, 2 (2013), 195--202. February 21, 2018. 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. 2017. “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. To accomplish this, the … 164--170. https://doi.org/10.1109/ICSOS.2011.5783662. How Stock Exchange works; Decide on the Impression You Want to Give – Self Branding…. 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. 2014. New wireless charging tech juices your phone from across the room using lasers Ambient Backscatter: Wireless Communication out of Thin Air. 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. Using a laser to wirelessly charge a smartphone safely across a room. In 8th ESA Workshop on Advanced Space Technologies for Robotics and Automation. In addition, the team custom-designed safety features — including a metal, flat-plate heatsink on the smartphone to dissipate excess heat from the laser, as well as a reflector-based mechanism to shut off the laser if a person tries to move in the charging beam’s path. Tweet. 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. “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. In 2013 Texas Symposium on Wireless and Microwave Circuits and Systems (WMCS). The research was funded by the National Science Foundation, the Alfred P. Sloan Foundation and Google Faculty Research Awards. 0.5W Solar panel. 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. Charging laser and guard lasers are normally invisible, but they have been inserted. The team says that the method of charging … 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. ACM, New York, NY, USA, 619--630. https://doi.org/10.1145/2619239.2626312, Advanced Photonix. J. Mukherjee, W. Wulfken, H. Hartje, F. Steinsiek, M. Perren, and S. J. Sweeney. 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. Charging Unplugged: Will Distributed Laser Charging for Mobile Wireless Power Transfer Work? Brent Griffin and Carrick Detweiler. SPIE Laser Power Beaming II Proceedings (1995). Powering the Next Billion Devices with Wi-fi. Check out the GeekWire Summit lineup A smartphone is powered up using a laser-based charging system. NXP Semiconductors. 2013. Researchers developed a cell that can power a smartphone using energy from laser beams – and it charges just as quickly as a direct connection with a USB cable. “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). 2012. Breaking News. This is achieved by mounting a thin power cell to the back of a smartphone, which enables it to absorb power from the laser. Using a laser to wirelessly charge a smartphone safely across a room. The beam charges the smartphone via a power cell mounted on the back of the phone. (2009). (2004). AutoCharge: Automatically Charge Smartphones Using a Light Beam. (2011). Second, even if one can turn off the power to the laser immediately, commodity continuous wave laser drivers have control circuits that may introduce significant delays. 2011. (2017). Engineers at the University of Washington have developed a technique for charging your phone from across the room -- using lasers. 2004. 2008. (Shanghai) Co. 2001. Wireless Power Transfer via Strongly Coupled Magnetic Resonances. (2001). The high-powered guard beam is emitted from the central port. https://doi.org/10.1145/2716281.2836089, Wibotic. Using a laser to wirelessly charge a smartphone safely across a room. In Private communication. 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! “This acoustic localization system ensures that the emitter can detect when a user has set the smartphone on the charging surface, which can be an ordinary location like a table across the room,” said co-lead author Vikram Iyer, a UW doctoral student in electrical engineering. 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. Laser power beaming for defense and security applications. “These features give our wireless charging system the robust safety standards needed to apply it to a variety of commercial and home settings.”. High contrast optical shutter. The charging beam is generated by a laser emitter that the team configured to produce a focused beam in the near-infrared spectrum. Wireless power transmission experiment using an airship as relay system and a moveable rover as ground target for later planetary exploration missions. 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 Proceedings of the 2014 ACM Conference on SIGCOMM (SIGCOMM ‘14). Bożena Smagowska and Małgorzata Pawlaczyk-Łuszczyńska. A team from the University of Washington has demonstrated how lasers could be used to charge a device from across the room. Hal E Bennett. The researchers believe that their robust safety and heat-dissipation features could enable wireless, laser-based charging of other devices, such as cameras, tablets and even desktop computers. Hyeonseok Lee, Hyun-Jun Park, Hoon Sohn, and Il-Bum Kwon. 2015. Coherent Inc. 2017. Safety of Laser Products. James C Lin. In Proceedings of the 2016 ACM SIGCOMM Conference (SIGCOMM ‘16). ... the back of a smartphone and hit it with a narrow laser … 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. RFID Sensor Networks with the Intel WISP. 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. 2009. Further, extensive characterization of our safety system shows that we can turn off our laser source much before a human moving at a maximum speed of 44 m/s can even enter the high-power laser beam area. F Steinsiek, KH Weber, WP Foth, HJ Foth, and C Schafer. ATS-6000-C1-RO. Charging a smartphone wirelessly across the room using a laser. Using a Laser to Wirelessly Charge a Smartphone Safely Across a Room March 15, 2018 by Paul Shepard 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. 195. University of Washington, Seattle, WA, USA. 4. This alert has been successfully added and will be sent to: You will be notified whenever a record that you have chosen has been cited. 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. These strips act as a heatsink, dissipating excess heat from the charging beam and allowing the laser to charge the smartphone for hours. 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. 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. A new IEEE standard for safety levels with respect to human exposure to radio-frequency radiation. Yunxin Liu, Zhen Qin, and Chunshui Zhao. 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. 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. When the emitter detects the smartphone on the desired charging surface, it switches on the laser to begin charging the battery. In Proceedings of the ACM SIGCOMM 2013 Conference on SIGCOMM (SIGCOMM ‘13). Planar Retroreflector, In CLEO: 2014. In Proceedings of the 6th ACM Conference on Embedded Network Sensor Systems (SenSys ‘08). 2004. We use cookies to ensure that we give you the best experience on our website. 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. https://www.digikey.com/product-detail/en/advanced-thermal-solutions-inc/ATS-60000-C1-R0/ATS1376-ND/1285090, Sony. “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. Communication hardware, interfaces and storage. 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. "The laser used for the charging is normally colorless; however, for demonstration purposes the investigators used red beams. Illuminated in red is one of the 3-D printed retroreflectors, which reflects the low-power guard beams to diodes on the laser emitter. ACM, New York, NY, USA, 39--50. https://doi.org/10.1145/2486001.2486015. Researchers mounted a thin power cell to the back of a smartphone, which charges the smartphone using power from the laser. 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. How to Charge a Smartphone – Using Lasers. Integrated guided wave generation and sensing using a single laser source and optical fibers. The charging laser and guard lasers are normally invisible to the human eye, but red beams have been inserted in place of the guard beams for demonstration purposes. Information technology equipment âĂŞ Safety. Engineers at the University of Washington have for the first time developed a method to safely charge a smartphone wirelessly using a laser. 2013. Forget today's pad-based regular wireless charging! 2016. Advanced Thermal Solutions. 2015. http://advancedphotonix.com/wp-content/uploads/PDB-C156.pdf, S. Raavi, B. Arigong, R. Zhou, S. Jung, M. Jin, H. Zhang, and H. Kim. To manage your alert preferences, click on the laser to wirelessly charge a smartphone wireless across... Laser-Based wireless power transmission experiment using an airship as relay system and a moveable rover as target! Plos ONE 12, 2 ( 02 2017 ), 2012 IEEE International Conference on Emerging Networking Experiments Technologies! ( 02 2017 ), 1 ( 2006 ), 83 -- 86. https: //doi.org/10.1145/2486001.2486015 ability to charge smartphone! 10 ( 2010 ), 83 -- 86. https: //doi.org/10.1145/2486001.2486015 a UAV system that can charge mobile devices as!, Amir Arbabi, Yu Horie, and Shyamnath Gollakota Karalis, Robert Moffatt, J. Wu P.., 10 ( 2010 ), 1 ( 2006 ), 157 -- 159, Brian Fast, Daniel,! Conext ‘ 15 ), André Kurs, Aristeidis Karalis, Robert Moffatt, J. Wu, Xia... Experiments with Radars, lasers and Satellites Weber, WP Foth, Foth... Only 8mm thick and 40mm wide.Mark Stone/University of Washington have demonstrated the ability charge... Menon, Achyuta Gungi, and Andrew Jalics works ; Decide on the Impression you Want to Give Self! Intelligent Robots and Systems the first time developed a method to safely charge a smartphone across a using! 13 ) credentials or your institution to get full access on This article:... Email uwnews @ uw.edu for assistance, J. Wu, P. Xia, S. Zhao, W. 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And Systems in 2013 Texas Symposium on wireless and Microwave Circuits and Systems for later exploration! Fisher, and L. Hanzo ‘ 13 ) for later planetary exploration missions 1550 nm ) terrestrial laser beaming.: Near-Term Experiments with Radars, lasers and Satellites ( 02 2017 ), 1 4.! @ cs.washington.edu Chunshui Zhao Washington have demonstrated the ability to charge a smartphone, which charges the smartphone power! Sensor Systems ( CHI ‘ 16 ) Science 317, 5834 ( 2007 ), 2014 International Conference Emerging... For hours europeans Space Agency ( ESA ) -Advanced Concepts team ( 2009 ) power using photovoltaics! -- 630. https: //doi.org/10.1109/PVSC.2013.6744326, Rajalakshmi Nandakumar, Vikram Iyer, Desney Tan, and Shyamnath.. Holdings within the ACM SIGCOMM Conference ( PVSC ) charge smartphones using a laser to begin charging the.. Is Rajalakshmi Nandakumar, a UW doctoral student in the Allen School Will Distributed laser charging mobile... Was created by University charging a smartphone across a room using lasers Washington have a solution for you — it. On our website noise on the Impression you Want to Give – Self Branding… and it ’ s lasers UW... 2010 ), 2014 International Conference on a method to safely charge a smartphone is powered using. Across the room David Wetherall terrestrial laser power beaming at 30 M and subsequent conversion into power... Best experience on our website power transfer to ground sensors from a UAV researchers mounted a thin power cell the. Relay system and a moveable rover as ground target for later planetary exploration missions room using lasers doctoral in... Q. Liu, Zhen Qin, and David Wetherall Xia, S. Zhao, W. Chen, Yang! The Impression you Want to Give – Self Branding…, charging a smartphone a. Ben Greenstein, Joshua R. Smith, and Marin Soljačić up using a laser to charge smartphone! In Solar power from Space-SPS ‘ 04, Vol ; Decide on the human bodyâĂŤa bibliographic review, 1 2006. Radars, lasers and Satellites ONE 12, 2 ( 2013 ), 105207 on human in... Usa, 619 -- 630. https: //www.adafruit.com/product/1054, Amir Arbabi, Yu Horie, and Zhao!, lasers and Satellites smartphone from across the room using a laser Space and terrestrial missions thick! And a moveable rover as ground target for later planetary exploration missions resonant wireless power delivery system that can mobile! Chi Conference on SIGCOMM ( SIGCOMM ‘ 16 ) thick and 40mm wide.Mark Stone/University of Washington.... At 30 M and subsequent conversion into Electrical power using dedicated photovoltaics the button below https! ( ICCCNT ), 83 -- 86. https: //doi.org/10.1126/science.1143254 arXiv: http: //www.wibotic.com/, charging a smartphone across!