Copper spectra in a laser-generated plasma: measurements and classifications of Cu xii to Cu xxi
1986; Optica Publishing Group; Volume: 3; Issue: 5 Linguagem: Inglês
10.1364/josab.3.000704
ISSN1520-8540
Autores Tópico(s)Laser Design and Applications
ResumoA vapor containing 10- to 20-times-ionized copper was generated by focusing a 1-GW, 15-nsec, Nd–glass-laser pulse down to 0.3 mm on a metallic copper sample. Spectral radiation in the range of 125 to 450 Å was recorded photographically with the National Bureau of Standards 10.7-m grazing-incidence spectrograph. Ninety-two spectral lines arising from Cu xii to Cu xxi (Ar i through F i isoelectronic sequences) were identified. Twenty-six of these, mainly in Cu xix and Cu xxi, had been interpreted previously. The transition arrays observed were of the type 3s2 3pn–3s2 3pn−13d and −3s3pn+1. Slater integrals were fitted to the energy levels derived from these data and from previously measured magnetic-dipole lines.
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