One-photon and consecutive two-photon excitation of Ca2 fluorescence in solid krypton at 12 K
- 15 February 1978
- journal article
- conference paper
- Published by AIP Publishing in The Journal of Chemical Physics
- Vol. 68 (4) , 1701-1707
- https://doi.org/10.1063/1.435938
Abstract
Laser‐excited emission from the Ca2 van der Waals dimer isolated in solid krypton has been studied. Analysis of the strong red emission at 14 000 cm−1 gives ωe″=80 cm−1, ωex″e=0.35 cm−1 for the ground state molecule. Observation of unrelaxed emission up to v′=7 and anti‐Stokes emission due to sequential two‐photon excitation are discussed in terms of excited and ground state vibrational relaxation rates. Resonance Raman scattering from Ca2 at Δν=80, 158, and 236 cm−1 was also observed.Keywords
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