Spectra of W${}^{39+}$-W${}^{47+}$ in the 12 nm to 20 nm region observed with an EBIT light source

Yu. Ralchenko, J. Reader, J. M. Pomeroy +2

We observed spectra of highly ionized tungsten in the extreme ultraviolet with an electron beam ion trap (EBIT) and a grazing incidence spectrometer at the National Institute of St…