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A remote laboratory for optical levitation of charged droplets

dc.contributor.authorGalán, Daniel
dc.contributor.authorIsaksson, Oscar
dc.contributor.authorRostedt, Mats
dc.contributor.authorEnger, Jonas
dc.contributor.authorHanstorp, Dag
dc.contributor.authorTorre Cubillo, Luis de la
dc.date.accessioned2025-07-02T15:40:50Z
dc.date.available2025-07-02T15:40:50Z
dc.date.issued2018-04-17
dc.descriptionThis is an Accepted Manuscript of an article published by IOP Science in "European Journal of Physics. Volume 39, Number 4", available at: https://doi.org/10.1088/1361-6404/aaaac3 Este es el manuscrito aceptado del artículo publicado por IOP Science en "European Journal of Physics. Volume 39, Number 4", disponible en línea: https://doi.org/10.1088/1361-6404/aaaac3
dc.description.abstractWe present a remotely controlled experiment in which liquid droplets are levitated by a vertically aligned focused laser beam. The droplets levitate at the point where the photon pressure of the focused laser beam balances the gravitational force. The size of a trapped droplet can be measured by detecting the diffraction pattern created by the trapping laser light. The charge on the trapped droplet can thereafter be determined by observing its motion when a vertically directed electrical field is applied. This experiment allows a student to study many fundamental physics processes, such as photon pressure, diffraction of light, or the motion of charged particles in electrical fields. The complexity of the experiments and the concept studied make this suitable for advanced studies in physics. The laser power required in the experiment is about 1 W, which is a thousand times greater than the value of 1 mW at which lasers begin to be capable of causing harm to eyes; high voltages are also used. Further, the cost of the equipment is relatively high, which limits its availability to most undergraduate teaching laboratories. It thus constitutes an ideal experiment for remote control.en
dc.description.versionversión final
dc.identifier.citationGalán, Daniel, Isaksson, Oscar, Rostedt, Mats, Enger, Jonas, Hanstorp, Dag, Torre Cubillo, Luis de la. (2018). Volume 39, Number 4. European Physical Society European Journal of Physics, 045301. https://doi.org/10.1088/1361-6404/aaaac3
dc.identifier.doihttps://doi.org/10.1088/1361-6404/aaaac3
dc.identifier.issn045301
dc.identifier.urihttps://hdl.handle.net/20.500.14468/26982
dc.journal.issue4
dc.journal.titleEuropean Journal of Physics
dc.journal.volume39
dc.language.isoen
dc.page.final15
dc.page.initial1
dc.publisherIOP Science
dc.relation.centerE.T.S. de Ingeniería Informática
dc.relation.departmentInformática y Automática
dc.rightsinfo:eu-repo/semantics/openAccess
dc.rights.uriAtribución-NoComercial-SinDerivadas 4.0 Internacional
dc.subject1203.17 Informática
dc.subject1203 Ciencia de los ordenadores
dc.titleA remote laboratory for optical levitation of charged dropletsen
dc.typeartículoes
dc.typejournal articleen
dspace.entity.typePublication
relation.isAuthorOfPublicationd3cfe1c5-d5e5-459e-8ed3-cb1ebb07639e
relation.isAuthorOfPublication.latestForDiscoveryd3cfe1c5-d5e5-459e-8ed3-cb1ebb07639e
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