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Determining the efficiency of optical sources using the smartphone's ambient light sensor

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Determining the efficiency of optical sources using the smartphone's ambient light sensor

dc.contributor.author	Sans, Jose Angel
dc.contributor.author	Gea-Pinal, J.
dc.contributor.author	Giménez, M.H.
dc.contributor.author	Esteve Martínez, Anna Raquel
dc.contributor.author	Solbes Matarredona, Jordi
dc.contributor.author	Monsoriu Serra, Juan Antonio
dc.date.accessioned	2017-04-12T17:59:38Z
dc.date.available	2017-04-12T17:59:38Z
dc.date.issued	2017
dc.identifier.uri	http://hdl.handle.net/10550/58282
dc.description.abstract	This work reports the use of a smartphone's ambient light sensor as a valuable tool to study and characterize the efficiency of an optical source. Here, we have measured both luminous efficacy and efficiency of several optical sources (incandescent bulb and halogen lamp) as a function of the electric power consumed and the distance to the optical detector. The illuminance of LEDs as a function of the distance to the optical detector is characterized for different wavelength emissions. Analysis of the results confirms an inverse-square law of the illuminance with the detector-source distance and shows good agreement with values obtained by classical experiments. This experience will trigger awareness in students in terms of sustainability, light propagation and efficiency of different optical sources.
dc.language.iso	eng
dc.relation.ispartof	European Journal Of Physics, 2017, vol. 38, p. 025301
dc.rights.uri	info:eu-repo/semantics/openAccess
dc.source	Sans, Jose Angel Gea-Pinal, J. Giménez, M.H. Esteve Martínez, Anna Raquel Solbes Matarredona, Jordi Monsoriu Serra, Juan Antonio 2017 Determining the efficiency of optical sources using the smartphone's ambient light sensor European Journal Of Physics 38 025301
dc.subject	Ciència Ensenyament
dc.subject	Física
dc.title	Determining the efficiency of optical sources using the smartphone's ambient light sensor
dc.type	info:eu-repo/semantics/article
dc.date.updated	2017-04-12T17:59:38Z
dc.identifier.doi	https://doi.org/10.1088/1361-6404/aa51a9
dc.identifier.idgrec	116610