%0 Journal Article %1 Fittinghoff1992 %A Fittinghoff, D. N. %A Bolton, P. R. %A Chang, B. %A Kulander, K. C. %D 1992 %J Physical Review Letters %K gases lasers %N 18 %P 2642-2645 %T Observation of Nonsequential Double Ionization of Helium with Optical Tunneling %U /brokenurl#<Go to ISI>://A1992JV89700011 %V 69 %X We have measured the ion yields for helium ionized by 120 fs, 614 nm laser pulses for intensities near 10(16) W/cm2. We have found that for these ultrashort pulses the He+2 data exhibit a feature which saturates in parallel with the He+ signal indicating that the ionization may proceed nonsequentially. We propose a new mechanism, which can exist only in the tunneling regime, for such nonsequential ionization.

@article{Fittinghoff1992, abstract = {We have measured the ion yields for helium ionized by 120 fs, 614 nm laser pulses for intensities near 10(16) W/cm2. We have found that for these ultrashort pulses the He+2 data exhibit a feature which saturates in parallel with the He+ signal indicating that the ionization may proceed nonsequentially. We propose a new mechanism, which can exist only in the tunneling regime, for such nonsequential ionization.}, added-at = {2011-09-14T10:31:46.000+0200}, author = {Fittinghoff, D. N. and Bolton, P. R. and Chang, B. and Kulander, K. C.}, biburl = {https://www.bibsonomy.org/bibtex/285387bb921219ebc392a06e6957c4b61/xinguo1}, endnotereftype = {Journal Article}, interhash = {56329f77ee6d157085dcfe701d30e061}, intrahash = {85387bb921219ebc392a06e6957c4b61}, issn = {0031-9007}, journal = {Physical Review Letters}, keywords = {gases lasers}, month = {Nov 2}, note = {Jv897 Times Cited:287 Cited References Count:15}, number = 18, owner = {xinguo}, pages = {2642-2645}, shorttitle = {Observation of Nonsequential Double Ionization of Helium with Optical Tunneling}, timestamp = {2011-09-14T10:31:46.000+0200}, title = {Observation of Nonsequential Double Ionization of Helium with Optical Tunneling}, url = {/brokenurl#<Go to ISI>://A1992JV89700011}, volume = 69, year = 1992 }