Isotope-selective strong-field ionization of semiheavy water

被引：1

作者：

Howard, A. J. ^{[1
,2
]}

Britton, M. ^{[3
]}

Streeter, Z. L. ^{[4
]}

Cheng, C. ^{[2
,5
]}

Lucchese, R. R. ^{[6
]}

Mccurdy, C. W. ^{[4
,6
]}

Bucksbaum, P. H. ^{[1
,2
,3
,5
]}

机构：

[1] Stanford Univ, Dept Appl Phys, Stanford, CA 94305 USA

[2] SLAC Natl Accelerator Lab, Stanford PULSE Inst, Menlo Pk, CA 94025 USA

[3] SLAC Natl Accelerator Lab, Linac Coherent Light Source, Menlo Pk, CA 94025 USA

[4] Univ Calif Davis, Dept Chem, Davis, CA 95616 USA

[5] Stanford Univ, Dept Phys, Stanford, CA 94305 USA

[6] Lawrence Berkeley Natl Lab, Chem Sci Div, Berkeley, CA 94720 USA

来源：

PHYSICAL REVIEW RESEARCH | 2025年 / 7卷 / 01期

基金：

美国国家科学基金会;

关键词：

Ionization of liquids - Molecules;

D O I：

10.1103/PhysRevResearch.7.L012062

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Semiheavy water (HOD) is one of the simplest molecules in which the bonds are labeled by isotope. We demonstrate that a pair of intense few-femtosecond infrared laser pulses can be used to selectively tunnel ionize along one of the two bonds. The first pulse doubly ionizes HOD, inducing rapid bond stretching and unbending. Femtoseconds later, the second pulse arrives and further ionization is selectively enhanced along the OH bond. These conclusions arise from 3D time-resolved measurements of H+, D+, and O+ momenta following triple ionization.

引用

页数：7

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