Fresnel–Arago laws: an easily feasible demonstration and laboratory exercise for students
Abstract The basic premise of this work was to create a simple experimental setup for the demonstration of Fresnel–Arago laws and the realization of an experimental exercise. An Iceland calcite is used as a beam splitter, and by adding a diverging lens (commonly used to magnify the image), a large i...
Published in: | European Journal of Physics |
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Online Access: | http://dx.doi.org/10.1088/1361-6404/ad312f https://iopscience.iop.org/article/10.1088/1361-6404/ad312f https://iopscience.iop.org/article/10.1088/1361-6404/ad312f/pdf |
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crioppubl:10.1088/1361-6404/ad312f 2024-06-02T08:09:19+00:00 Fresnel–Arago laws: an easily feasible demonstration and laboratory exercise for students Ivković, Saša S Jovanović, Jelena S Obradović, Bratislav M Ministry of Science, Technological Development and Innovation of the Republic of Serbia Science Fund of the Republic of Serbia - Project ATTOPLASMAS 2024 http://dx.doi.org/10.1088/1361-6404/ad312f https://iopscience.iop.org/article/10.1088/1361-6404/ad312f https://iopscience.iop.org/article/10.1088/1361-6404/ad312f/pdf unknown IOP Publishing https://iopscience.iop.org/page/copyright https://iopscience.iop.org/info/page/text-and-data-mining European Journal of Physics volume 45, issue 3, page 035303 ISSN 0143-0807 1361-6404 journal-article 2024 crioppubl https://doi.org/10.1088/1361-6404/ad312f 2024-05-07T13:59:20Z Abstract The basic premise of this work was to create a simple experimental setup for the demonstration of Fresnel–Arago laws and the realization of an experimental exercise. An Iceland calcite is used as a beam splitter, and by adding a diverging lens (commonly used to magnify the image), a large image of overlapping spots is obtained at a short distance, visible to a wide audience. Additionally, by placing a diverging lens at different distances from the calcite, the level of the spots overlapping can be changed. The interference image is photographed by a smartphone and processed by one of the available applications for quantitative image processing. The experiment was carried out using red and green laser light. The same setup, with a diverging lens, also allows the reconstruction of the original Fresnel and Arago experiment with a thin metal cylinder. Quick and easy construction, relatively simple processing of the interference image, without the use of expensive devices (CCD camera, beam splitter, beam expander), and the good agreement between the nominal and measured laser light wavelengths, make this setup very suitable for realization as a student exercise for undergraduate and master’s students. Article in Journal/Newspaper Iceland IOP Publishing Arago ENVELOPE(-62.367,-62.367,-64.833,-64.833) European Journal of Physics 45 3 035303 |
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Abstract The basic premise of this work was to create a simple experimental setup for the demonstration of Fresnel–Arago laws and the realization of an experimental exercise. An Iceland calcite is used as a beam splitter, and by adding a diverging lens (commonly used to magnify the image), a large image of overlapping spots is obtained at a short distance, visible to a wide audience. Additionally, by placing a diverging lens at different distances from the calcite, the level of the spots overlapping can be changed. The interference image is photographed by a smartphone and processed by one of the available applications for quantitative image processing. The experiment was carried out using red and green laser light. The same setup, with a diverging lens, also allows the reconstruction of the original Fresnel and Arago experiment with a thin metal cylinder. Quick and easy construction, relatively simple processing of the interference image, without the use of expensive devices (CCD camera, beam splitter, beam expander), and the good agreement between the nominal and measured laser light wavelengths, make this setup very suitable for realization as a student exercise for undergraduate and master’s students. |
author2 |
Ministry of Science, Technological Development and Innovation of the Republic of Serbia Science Fund of the Republic of Serbia - Project ATTOPLASMAS |
format |
Article in Journal/Newspaper |
author |
Ivković, Saša S Jovanović, Jelena S Obradović, Bratislav M |
spellingShingle |
Ivković, Saša S Jovanović, Jelena S Obradović, Bratislav M Fresnel–Arago laws: an easily feasible demonstration and laboratory exercise for students |
author_facet |
Ivković, Saša S Jovanović, Jelena S Obradović, Bratislav M |
author_sort |
Ivković, Saša S |
title |
Fresnel–Arago laws: an easily feasible demonstration and laboratory exercise for students |
title_short |
Fresnel–Arago laws: an easily feasible demonstration and laboratory exercise for students |
title_full |
Fresnel–Arago laws: an easily feasible demonstration and laboratory exercise for students |
title_fullStr |
Fresnel–Arago laws: an easily feasible demonstration and laboratory exercise for students |
title_full_unstemmed |
Fresnel–Arago laws: an easily feasible demonstration and laboratory exercise for students |
title_sort |
fresnel–arago laws: an easily feasible demonstration and laboratory exercise for students |
publisher |
IOP Publishing |
publishDate |
2024 |
url |
http://dx.doi.org/10.1088/1361-6404/ad312f https://iopscience.iop.org/article/10.1088/1361-6404/ad312f https://iopscience.iop.org/article/10.1088/1361-6404/ad312f/pdf |
long_lat |
ENVELOPE(-62.367,-62.367,-64.833,-64.833) |
geographic |
Arago |
geographic_facet |
Arago |
genre |
Iceland |
genre_facet |
Iceland |
op_source |
European Journal of Physics volume 45, issue 3, page 035303 ISSN 0143-0807 1361-6404 |
op_rights |
https://iopscience.iop.org/page/copyright https://iopscience.iop.org/info/page/text-and-data-mining |
op_doi |
https://doi.org/10.1088/1361-6404/ad312f |
container_title |
European Journal of Physics |
container_volume |
45 |
container_issue |
3 |
container_start_page |
035303 |
_version_ |
1800755016646000640 |