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- Stokes_shift abstract "Stokes shift is the difference (in wavelength or frequency units) between positions of the band maxima of the absorption and emission spectra (fluorescence and Raman being two examples) of the same electronic transition. It is named after Irish physicist George G. Stokes.When a system (be it a molecule or atom) absorbs a photon, it gains energy and enters an excited state. One way for the system to relax is to emit a photon, thus losing its energy (another method would be the loss of heat energy). When the emitted photon has less energy than the absorbed photon, this energy difference is the Stokes shift. If the emitted photon has more energy, the energy difference is called an anti-Stokes shift; this extra energy comes from dissipation of thermal phonons in a crystal lattice, cooling the crystal in the process. Yttrium oxysulfide doped with gadolinium oxysulfide is a common industrial anti-Stokes pigment, absorbing in the near-infrared and emitting in the visible portion of the spectrum. Photon upconversion is another anti-Stokes process.The Stokes shift is the result of two actions: Vibrational relaxation or dissipation and solvent reorganisation. A fluorophore is a dipole, surrounded by water molecules. When a fluorophore enters an excited state, its dipole moment will change, but water molecules will not be able to adapt this quickly. Only after vibrational relaxation, there will be a reallignment of their dipole moments.".
- Stokes_shift thumbnail Stokes_shift-_Rh6G.png?width=300.
- Stokes_shift wikiPageID "1217104".
- Stokes_shift wikiPageLength "3934".
- Stokes_shift wikiPageOutDegree "23".
- Stokes_shift wikiPageRevisionID "655992154".
- Stokes_shift wikiPageWikiLink Absorption_(electromagnetic_radiation).
- Stokes_shift wikiPageWikiLink Absorption_(optics).
- Stokes_shift wikiPageWikiLink Atom.
- Stokes_shift wikiPageWikiLink Category:Fluorescence.
- Stokes_shift wikiPageWikiLink Category:Raman_spectroscopy.
- Stokes_shift wikiPageWikiLink Category:Spectroscopy.
- Stokes_shift wikiPageWikiLink Dipole.
- Stokes_shift wikiPageWikiLink Electromagnetic_spectrum.
- Stokes_shift wikiPageWikiLink Emission_(electromagnetic_radiation).
- Stokes_shift wikiPageWikiLink Emission_spectrum.
- Stokes_shift wikiPageWikiLink Fluorescence.
- Stokes_shift wikiPageWikiLink Frequency.
- Stokes_shift wikiPageWikiLink Gadolinium_oxysulfide.
- Stokes_shift wikiPageWikiLink George_Gabriel_Stokes.
- Stokes_shift wikiPageWikiLink Heat.
- Stokes_shift wikiPageWikiLink Jablonski_diagram.
- Stokes_shift wikiPageWikiLink Kashas_rule.
- Stokes_shift wikiPageWikiLink Molecule.
- Stokes_shift wikiPageWikiLink Photon.
- Stokes_shift wikiPageWikiLink Photon_upconversion.
- Stokes_shift wikiPageWikiLink Raman_spectroscopy.
- Stokes_shift wikiPageWikiLink Sir_George_Stokes,_1st_Baronet.
- Stokes_shift wikiPageWikiLink Stokes_line.
- Stokes_shift wikiPageWikiLink Wavelength.
- Stokes_shift wikiPageWikiLink Yttrium.
- Stokes_shift wikiPageWikiLink File:Stokes_shift-_Rh6G.png.
- Stokes_shift wikiPageWikiLinkText "Anti-Stokes Shift".
- Stokes_shift wikiPageWikiLinkText "Stokes shift".
- Stokes_shift wikiPageWikiLinkText "Stokes".
- Stokes_shift wikiPageWikiLinkText "Stokes' shift".
- Stokes_shift wikiPageWikiLinkText "Stokes’ shift".
- Stokes_shift wikiPageWikiLinkText "anti-Stokes".
- Stokes_shift hasPhotoCollection Stokes_shift.
- Stokes_shift wikiPageUsesTemplate Template:Distinguish.
- Stokes_shift wikiPageUsesTemplate Template:Reflist.
- Stokes_shift subject Category:Fluorescence.
- Stokes_shift subject Category:Raman_spectroscopy.
- Stokes_shift subject Category:Spectroscopy.
- Stokes_shift hypernym Difference.
- Stokes_shift type Disease.
- Stokes_shift type Physic.
- Stokes_shift type Technique.
- Stokes_shift type Thing.
- Stokes_shift comment "Stokes shift is the difference (in wavelength or frequency units) between positions of the band maxima of the absorption and emission spectra (fluorescence and Raman being two examples) of the same electronic transition. It is named after Irish physicist George G. Stokes.When a system (be it a molecule or atom) absorbs a photon, it gains energy and enters an excited state.".
- Stokes_shift label "Stokes shift".
- Stokes_shift differentFrom Stark_effect.
- Stokes_shift sameAs Stokesův_posuv.
- Stokes_shift sameAs Stokes-Verschiebung.
- Stokes_shift sameAs Déplacement_de_Stokes.
- Stokes_shift sameAs Ստոքսի_կանոն.
- Stokes_shift sameAs Spostamento_di_Stokes.
- Stokes_shift sameAs Стокс_ережесі.
- Stokes_shift sameAs Przesunięcie_Stokesa.
- Stokes_shift sameAs m.04j4w3.
- Stokes_shift sameAs Стоксов_сдвиг.
- Stokes_shift sameAs Stokesov_premik.
- Stokes_shift sameAs Stokes-spridning.
- Stokes_shift sameAs Stokes_kayması.
- Stokes_shift sameAs Стоксів_зсув.
- Stokes_shift sameAs Q899393.
- Stokes_shift sameAs Q899393.
- Stokes_shift sameAs 斯托克斯位移.
- Stokes_shift wasDerivedFrom Stokes_shift?oldid=655992154.
- Stokes_shift depiction Stokes_shift-_Rh6G.png.
- Stokes_shift isPrimaryTopicOf Stokes_shift.