Two-color (800- and 400-nm) short (45-fs) linearly polarized pulses are used to ionize and dissociate CO and NO. The emission of Cq+, Nq+, and O⁺ fragments indicates that the higher ionization rate occurs when the peak electric field points from C to O in CO and from N to O in NO. This preferred direction is in agreement with that predicted by Stark-corrected strong-field-approximation calculations.
H. Li and D. Ray and S. De and I. Znakovskaya and W. Cao and G. Laurent and Z. Wang and M. F. Kling and A. Le and C. L. Cocke, "Orientation Dependence of the Ionization of CO and NO in an Intense Femtosecond Two-Color Laser Field," Physical Review A - Atomic, Molecular, and Optical Physics, vol. 84, no. 4, American Physical Society (APS), Oct 2011.
The definitive version is available at https://doi.org/10.1103/PhysRevA.84.043429
Keywords and Phrases
CO And NO; Femtoseconds; Ionization Rates; Linearly Polarized; Orientation Dependence; Peak Electric Field; Two-Color; Two-Color Laser Fields, Electric Fields, Ionization
International Standard Serial Number (ISSN)
Article - Journal
© 2011 American Physical Society (APS), All rights reserved.
01 Oct 2011