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.(more)
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%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
}