Coherent control of fragmentation of methyl iodide by shaped femtosecond pulse train

被引：0
|
作者：
Tong, Qiu-Nan [1 ,2 ]
Fei, De-Hou [1 ,2 ]
Lian, Zhen-Zhong [1 ,2 ]
Qi, Hong-Xia [1 ,2 ]
Zhou, Sheng-Peng [1 ]
Luo, Si-Zuo [1 ]
Chen, Zhou [1 ,2 ]
Hu, Zhan [1 ,2 ]
机构：
[1] Jilin Univ, Inst Atom & Mol Phys, Changchun 130012, Jilin, Peoples R China
[2] Jilin Univ, Adv Light Field & Modern Med Treatment Sci & Tech, Changchun 130012, Jilin, Peoples R China
来源：
CHINESE PHYSICS B | 2019年 / 28卷 / 09期
基金：
中国国家自然科学基金;
关键词：
coherent control; fragmentation; shaped pulse; MULTIPHOTON INTRAPULSE INTERFERENCE; CLOSED-LOOP CONTROL; DISSOCIATIVE IONIZATION; COULOMB EXPLOSION; CH3I; DYNAMICS; PHOTODISSOCIATION;
D O I：
10.1088/1674-1056/ab33f3
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Coherent control of fragmentation of CH3I using shaped femtosecond pulse train is investigated. The dissociation processes can be modulated by changing the separation of the shaped pulse train, and the yield of I+ under the irradiation of the optimal pulse is significantly increased compared with that using the transform-limited pulse. We discuss the control mechanism of dissociation processes with coherent interference in time domain. A three-pulse control model is proposed to explain the counterintuitive experimental results.
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页数：7
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