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Stepwise excitation of strontium-atom spectral transitions by electron impact

I. S. Aleksakhin, F. I. Nebesnyi, Ya. N. Semenyuk, T. A. Snegurskaya, Іван Іванович Шафраньош

Published Feb 1, 1988• 0 citations

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Stepwise excitation of strontium-atom spectral transitions by electron impact

I. S. Aleksakhin, F. I. Nebesnyi, Ya. N. Semenyuk, T. A. Snegurskaya, Іван Іванович Шафраньош

Published Feb 1, 1988• 0 citations

OpenAlex

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Investigation of the excitation of strontium atoms by electron impact from metastable states

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Mar 1, 19740 citations

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Optics and SpectroscopyJul 1, 19880 citations

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Radiation trapping in a stepwise-excitation electron-laser coincidence experiment

Andrew James Murray, W. R. MacGillivray, M. C. Standage

The observation of radiation trapping effects in time-resolved, stepwise-excited, electron-photon coincidence signals is reported. Hg atoms were excited by electron impact to the 6 $^{1}$ ${\mathit{P}}_{1}$ state and then by laser excitation to the 6 $^{1}$ ${\mathit{D}}_{2}$ state. Coincidence signals were observed from the 6 $^{1}$ ${\mathit{D}}_{2}$ --6 $^{3}$ ${\mathit{P}}_{1}$ (313-nm) transition. The decay time of these signals was found to depend upon radiation trapping of the electron-impact-excited 6 $^{1}$ ${\mathit{P}}_{1}$ --6 $^{1}$ ${\mathit{S}}_{0}$ (185-nm) resonance line. An explanation of this effect is given in terms of the laser excitation coupling the 313- and 185-nm transitions.The observation of radiation trapping effects in time-resolved, stepwise-excited, electron-photon coincidence signals is reported. Hg atoms were excited by electron impact to the 6 $^{1}$${\mathit{P}}_{1}$ state and then by laser excitation to the 6 $^{1}$${\mathit{D}}_{2}$ state. Coincidence signals were observed from the 6 $^{1}$${\mathit{D}}_{2}$--6 $^{3}$${\mathit{P}}_{1}$ (313-nm) transition. The decay time of these signals was found to depend upon radiation trapping of the electron-impact-excited 6 $^{1}$${\mathit{P}}_{1}$--6 $^{1}$${\mathit{S}}_{0}$ (185-nm) resonance line. An explanation of this effect is given in terms of the laser excitation coupling the 313- and 185-nm transitions.

Physical Review ASep 1, 199113 citations

The observation of radiation trapping effects in time-resolved, stepwise-excited, electron-photon coincidence signals is reported. Hg atoms were excited by electron impact to the 6

^{1}

{\mathit{P}}_{1}

state and then by laser excitation to the 6

^{1}

{\mathit{D}}_{2}

state. Coincidence signals were observed from the 6

^{1}

{\mathit{D}}_{2}

--6

^{3}

{\mathit{P}}_{1}

(313-nm) transition. The decay time of these signals was found to depend upon radiation trapping of the electron-impact-excited 6

^{1}

{\mathit{P}}_{1}

--6

^{1}

{\mathit{S}}_{0}

(185-nm) resonance line. An explanation of this effect is given in terms of the laser excitation coupling the 313- and 185-nm transitions.