Abstract

The interaction of atomic and molecular species with picosecond ArF* laser radiation is studied at intensities up to 1015 W/cm2. Anomalously strong, collision-free multiple ionization is observed. Standard theoretical models of stepwise ionization fail to describe the results. The experimental findings point to a collective response of the atom. At intensities of ~1013 W/cm2, selective multiquantum excitation of autoionizing states in Kr, followed by stimulated emission at wavelengths as short as 91.6 and 93 nm, is observed. The 93-nm radiation is tunable over a 600-cm−1 interval, whereas the 91.6-nm frequency is fixed. It appears that electron collisions redistribute energy among excited states.

© 1984 Optical Society of America

Full Article  |  PDF Article
OSA Recommended Articles
Generation of infrared and extreme-ultraviolet radiation in krypton with picosecond irradiation at 193 nm

M. Shahidi, T. S. Luk, and C. K. Rhodes
J. Opt. Soc. Am. B 5(11) 2386-2394 (1988)

Multiphoton ionization in ultrahigh optical fields: a statistical description

H. Egger, U. Johann, T. S. Luk, and C. K. Rhodes
J. Opt. Soc. Am. B 3(6) 901-905 (1986)

Studies of multiphoton production of vacuum-ultraviolet radiation in the rare gases

A. McPherson, G. Gibson, H. Jara, U. Johann, T. S. Luk, I. A. McIntyre, K. Boyer, and C. K. Rhodes
J. Opt. Soc. Am. B 4(4) 595-601 (1987)

References

You do not have subscription access to this journal. Citation lists with outbound citation links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Cited By

You do not have subscription access to this journal. Cited by links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Figures (6)

You do not have subscription access to this journal. Figure files are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Equations (3)

You do not have subscription access to this journal. Equations are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Metrics

You do not have subscription access to this journal. Article level metrics are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription