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- Title
On the Mechanism of the Electron-Impact Excitation of 4d [sup 9]5s[sup 2][sup 2]D[sub 5 /2, 3/2] Upper Laser Levels in Cadmium Ions.
- Authors
Gomonai, A. N.; Imre, A. I.
- Abstract
The energy dependence of the effective cross sections for the electron-impact excitation of 4d[sup 9]5s² ²D[sub 5/2, 3/2] - 4d[sup 10]5p²P[sup 0, sub 1/2, 3/2] laser transitions in cadmium ions was studied by a high-precision spectroscopic technique using crossed electron and ion beams. The absolute effective cross sections for the laser line excitation at λ = 441.6 and 325.0 nm have the peak values 2.5 × 10[sup -16] and 1.3 × 10[sup -16] cm², respectively. It is shown that population of the 4d[sup 9]5s² ²D[sub 5/2, 3/2] upper laser levels by the electron impact on cadmium ions in the 4d[sup 10]5s ²S[sub ½] ground state takes place predominantly due to the resonance processes; that is, it proceeds via atomic and ionic autoionization states.
- Subjects
ELECTRONIC excitation; LASER transitions; CADMIUM
- Publication
Technical Physics Letters, 2001, Vol 27, Issue 9, p798
- ISSN
1063-7850
- Publication type
Article
- DOI
10.1134/1.1407364