STUDY OF RECOMBINATION LASING OF C3+

Hara,T., Ando,K., Yashiro,H., Hamagaki,M., Fusayama,T., Segawa,Y., Aoyagi,Y., Namba,S.: 'Short Wavelength and X-ray Lasers', p.66

Up to date, shorter wavelength laser studies by recombining plasma methods have concentrated on hydrogen-like ions. We are investigating recombination lasing of lithium-like carbon ions. There is a possibility that Li-like ions will oscillate with higher efficiency than hydrogen-like ions. The ionization potential of C4+, which is a helium-like ion, is about 6 times that of C3+ and so, the situation for C3+ is very similar to that for a hydrogen-like ion. Consequently, when carbon atoms are strongly ionized, it should be easy to ensure that C4+ is the dominant ion species. This should lead to a higher production efficiency of population inversion in C IV by recombination processes.


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