Doppler-free multiphoton absorption in icosahedral molecules

✍ Scribed by David L. Andrews; Kevin P. Hopkins

• Book ID: 103028264
• Publisher: Elsevier Science
• Year: 1988
• Tongue: English
• Weight: 398 KB
• Volume: 146
• Category: Article
• ISSN: 0009-2614
• DOI: 10.1016/0009-2614(88)85044-9

✦ Synopsis

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 any other symmetry, and therefore characterises an icosahedral species,