Which group velocity of light in a dispersive medium?
. The interaction between a light pulse, traveling in air, and a generic linear, non-absorbing and dispersive structure is analyzed. It is shown that energy conservation imposes a constraint between the group velocities of the transmitted and reflected light pulses. It follows that the two fields pr...
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| Veröffentlicht in: | European physical journal plus 2011-01, Vol.126 (1), p.6, Article 6 |
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| container_title | European physical journal plus |
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| creator | El Gawhary, O. Severini, S. Christillin, P. |
| description | .
The interaction between a light pulse, traveling in air, and a generic linear, non-absorbing and dispersive structure is analyzed. It is shown that energy conservation imposes a constraint between the group velocities of the transmitted and reflected light pulses. It follows that the two fields propagate with group velocities depending on the dispersive properties of the environment (air) and on the transmission properties of the optical structure, and are one faster and the other slower than that of the incident field. In other words, the group velocity of a light pulse in a dispersive medium is reminiscent of previous interactions. One example is discussed in detail. |
| doi_str_mv | 10.1140/epjp/i2011-11006-0 |
| format | Article |
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The interaction between a light pulse, traveling in air, and a generic linear, non-absorbing and dispersive structure is analyzed. It is shown that energy conservation imposes a constraint between the group velocities of the transmitted and reflected light pulses. It follows that the two fields propagate with group velocities depending on the dispersive properties of the environment (air) and on the transmission properties of the optical structure, and are one faster and the other slower than that of the incident field. In other words, the group velocity of a light pulse in a dispersive medium is reminiscent of previous interactions. One example is discussed in detail.</description><identifier>ISSN: 2190-5444</identifier><identifier>EISSN: 2190-5444</identifier><identifier>DOI: 10.1140/epjp/i2011-11006-0</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Applied and Technical Physics ; Atomic ; Complex Systems ; Condensed Matter Physics ; Dispersion ; Energy conservation ; Group velocity ; Mathematical and Computational Physics ; Molecular ; Optical and Plasma Physics ; Optical properties ; Physics ; Regular Article ; Theoretical</subject><ispartof>European physical journal plus, 2011-01, Vol.126 (1), p.6, Article 6</ispartof><rights>Società Italiana di Fisica and Springer 2011</rights><rights>Società Italiana di Fisica and Springer 2011.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c270t-1582a606920b2131d72fa1f1eaf7ba239a660d722a1ec2859920859a837e41263</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.proquest.com/docview/2919613336?pq-origsite=primo$$EHTML$$P50$$Gproquest$$H</linktohtml><link.rule.ids>314,776,780,21367,27901,27902,33721,43781</link.rule.ids></links><search><creatorcontrib>El Gawhary, O.</creatorcontrib><creatorcontrib>Severini, S.</creatorcontrib><creatorcontrib>Christillin, P.</creatorcontrib><title>Which group velocity of light in a dispersive medium?</title><title>European physical journal plus</title><addtitle>Eur. Phys. J. Plus</addtitle><description>.
The interaction between a light pulse, traveling in air, and a generic linear, non-absorbing and dispersive structure is analyzed. It is shown that energy conservation imposes a constraint between the group velocities of the transmitted and reflected light pulses. It follows that the two fields propagate with group velocities depending on the dispersive properties of the environment (air) and on the transmission properties of the optical structure, and are one faster and the other slower than that of the incident field. In other words, the group velocity of a light pulse in a dispersive medium is reminiscent of previous interactions. 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The interaction between a light pulse, traveling in air, and a generic linear, non-absorbing and dispersive structure is analyzed. It is shown that energy conservation imposes a constraint between the group velocities of the transmitted and reflected light pulses. It follows that the two fields propagate with group velocities depending on the dispersive properties of the environment (air) and on the transmission properties of the optical structure, and are one faster and the other slower than that of the incident field. In other words, the group velocity of a light pulse in a dispersive medium is reminiscent of previous interactions. One example is discussed in detail.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><doi>10.1140/epjp/i2011-11006-0</doi></addata></record> |
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| ispartof | European physical journal plus, 2011-01, Vol.126 (1), p.6, Article 6 |
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| language | eng |
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| source | ProQuest Central |
| subjects | Applied and Technical Physics Atomic Complex Systems Condensed Matter Physics Dispersion Energy conservation Group velocity Mathematical and Computational Physics Molecular Optical and Plasma Physics Optical properties Physics Regular Article Theoretical |
| title | Which group velocity of light in a dispersive medium? |
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