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|Type:||Artigo de periódico|
|Title:||Estimate of experimental yield for two-photon absorption in helium|
|Abstract:||We discuss the two-photon absorption rate of helium excited with synchrotron light in the vacuum ultra-violet domain. A numerical estimate is made, based on the measured third-harmonic generation rate. It is found that, for typical experimental conditions with synchrotron radiation, the rate is very large for vacuum ultra-violet Free Electron Lasers currently under construction, but rather small for the existing undulator sources.|
|Editor:||Elsevier Science Bv|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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