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Multiphoton absorption by molecules

✍ Scribed by Pedro F González-Dı́az


Book ID
114142951
Publisher
Elsevier Science
Year
1998
Tongue
English
Weight
79 KB
Volume
433
Category
Article
ISSN
0166-1280

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Doppler-free multiphoton absorption in i
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It is shown that with counter-propagating laser beams of identical circular polarisation, symmetry-preserving transitions in icosahedral molecules produce totally Doppler-free lines in two-photon and four-photon absorption spectra. In the four-photon case, this feature cannot occur for molecules of