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The Physics Teacher -- February 2012 -- Volume 50, Issue 2, pp. 118

Diffraction experiments with infrared remote controls

Jochen Kuhn and Patrik Vogt

Department of Physics, University of Kaiserslautern (University of Technology), Rhineland-Palatinate, Germany; kuhn@physik.uni-kl.de

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In this paper we describe an experiment in which radiation emitted by an infrared remote control is passed through a diffraction grating. An image of the diffraction pattern is captured using a cell phone camera and then used to determine the wavelength of the radiation.1

© 2012 American Association of Physics Teachers

KEYWORDS and PACS

Keywords

diffraction gratings, electromagnetic waves, physics education

PACS

History
Online Jan 2012

PUBLICATION DATA

ISSN

0031-921X (print)  

Publisher

$abstract.society.value is a Member of CrossRef American Association of Physics Teachers

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1119/1.3677292

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