Expand this Topic clickable element to expand a topic
Skip to content
Optica Publishing Group

Photodetachment-threshold shifts in two-frequency radiation fields

Not Accessible

Your library or personal account may give you access

Abstract

The one-dimensional Schrödinger equation was solved numerically to observe the effects of a strong radiation field on the photodetachment-threshold behavior of a model negative ion. The negative ion is exposed to a near-threshold single-photon detaching radiation pulse while in the presence of a second, constant-intensity, low-frequency field. As the second field frequency is increased from zero to the photodetachment threshold, we observe a gradual transition from the interference effects found for detachment into a static field (dc limit) to the increased energy required to detach an electron into a strong oscillatory field (ac limit). The detachment-threshold shift occurs because the second field drags temporarily detached low-energy electrons back across the potential, where they are reattached. This detachment, excursion, and reattachment process is quite fragile, particularly in three dimensions, and will lead to leakage detachment below the shifted threshold.

© 1990 Optical Society of America

Full Article  |  PDF Article
More Like This
Tunneling photodetachment of negative ions exposed to a bichromatic laser field

Vladimir A. Pazdzersky and Vladimir I. Usachenko
J. Opt. Soc. Am. B 19(6) 1239-1246 (2002)

Molecular strong-field approximation for photodetachment of electrons from homonuclear diatomic molecular anions

A. Gazibegović-Busuladžić, D. Habibović, M. Busuladžić, and D. B. Milošević
J. Opt. Soc. Am. B 37(3) 813-819 (2020)

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 Optica member, or as an authorized user of your institution.

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

Figures (5)

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

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

Equations (16)

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

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

Select as filters


Select Topics Cancel
© Copyright 2024 | Optica Publishing Group. All Rights Reserved