Power smart in-door optical wireless link design

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dc.contributor.authorMarraccini, Philip J.
dc.contributor.authorRiza, Nabeel A.
dc.date.accessioned2020-07-14T13:10:05Z
dc.date.available2020-07-14T13:10:05Z
dc.date.issued2011-01
dc.date.updated2020-07-14T13:05:24Z
dc.description.abstractPresented for the first time, to the best of the authors 'knowledge, is the design of a power smart in-door optical wireless link that provides lossless beam propagation between Transmitter (T) and Receiver (R) for changing link distances. Each T/R unit uses a combination of fixed and variable focal length optics to smartly adjust the laser beam propagation parameters of minimum beam waist size and its location to produce the optimal zero propagation loss coupling condition at the R for that link distance. An Electronically Controlled Variable Focus Lens (ECVFL) is used to form the wide field-of-view search beam and change the beam size at R to form a low loss beam. The T/R unit can also deploy camera optics and thermal energy harvesting electronics to improve link operational smartness and efficiency. To demonstrate the principles of the beam conditioned low loss indoor link, a visible 633 nm laser link using an electro-wetting technology liquid ECVFL is demonstrated for a variable 1 to 4 m link range. Measurements indicate a 53% improvement over an unconditioned laser link at 4 m. Applications for this power efficient wireless link includes mobile computer platform communications and agile server rack interconnections in data centres.en
dc.description.statusPeer revieweden
dc.description.versionPublished Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.articleid11054en
dc.identifier.citationMarraccini, P. J. and Riza, N. A. (2011) 'Power Smart In-door Optical Wireless Link Design'. Journal of The European Optical Society-Rapid Publications, 6, 11054 (6 pp). doi: 10.2971/jeos.2011.11054en
dc.identifier.doi10.2971/jeos.2011.11054en
dc.identifier.endpage6en
dc.identifier.issn1990-2573
dc.identifier.journaltitleJournal of The European Optical Society-Rapid Publicationsen
dc.identifier.startpage1en
dc.identifier.urihttps://hdl.handle.net/10468/10257
dc.identifier.volume6en
dc.language.isoenen
dc.publisherEuropean Optical Societyen
dc.relation.urihttps://www.jeos.org/index.php/jeos_rp/article/view/11054/757
dc.rights© The Authors. All rights reserved.en
dc.subjectGreen optical wirelessen
dc.subjectLow power wireless networken
dc.subjectIndoor wirelessen
dc.subjectFree space optical communicationen
dc.subjectOptical transmitteren
dc.titlePower smart in-door optical wireless link designen
dc.typeArticle (peer-reviewed)en
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