| 1. | Interaction between an electronic system and multiphotons in a strong laser field
强光场中电子系统与多光子的相互作用 |
| 2. | The discrete variable representation ( dvr ) scheme is applied to investigate the photoelectron spectrum ( pes ) of multiphoton ionization for some diatomic molecules in strong fields
摘要采用离散变量表示( dvr )方案研究了双原子分子在强场下的多光子电离光电子能谱，得到了与实验相同的结果。 |
| 3. | With the intensity of laser increased a series of new phenomena appears , for example , multiple photon lonization ( mpi ) , above threshold lonization ( ati ) , tunnel lonization ( tl ) , stable lonization ( si ) and so on
随着激光强度的增加，会出现一系列的新现象，例如多光子电离，隧穿电离，阈上电离和稳定化电离等现象。 |
| 4. | The main results are : ( 1 ) the tof - ms and rempi spectrum of carbon disulfide are detected . ( 2 ) the tof - ms of carbon disulfide is identified ; the rempi spectra of c , s , cs and cs2 are analyzed
( 3 )通过对实验测定的tof质谱和分质量的rempi谱的分析，讨论了二硫化碳分子的多光子共振电离一解离通道以及碎片的解离通道。 |
| 5. | In another circunstance , the tvo ent angle datom considered as identical particles and they both move in the optical field . after an interaction time t , the levels of the entangled atoms are split into different levels
若对这些模型作进一步的扩展，则是研究n个原子与单模场的相互作用，其中包括多原子体系与单模场的单光子相互作用和多光子相互作摘要用。 |
| 6. | In chapter two , the basic principles of rempi technique are introduced including the resonance enhanced effect , the selection rule , the mechanism of photoionization and photodissociation , rempi rate equation and the property of rydberg state
第二章介绍了rempi技术的基本原理，包括多光子共振跃迁的选择定则、电子态的光解离机理、描述rempi过程的速率方程和分子rydberg态的性质。 |
| 7. | The resonance - enhanced multi - photon ionization ( rempi ) spectrum of no in the region of 420 - 680nm is obtained by using optical parameter generator and amplifier ( opg / opa ) as radiation source . the opg / opa was pumped by nd : yag ( quantel ) laser
本工作以超短脉冲( 35ps ) nd ： yag激光的三倍频输出( 355nm )泵浦光学参量发生放大器作为激发源，获得了no分子在420 680nm波长范围内的多光子共振离化光谱。 |
| 8. | 4 . we attempted to carry out the experiment of co a3 ( v = 18 ) / d1 ( v = 10 ) collision with he in a static cell using oodr - mpi technique for the preparation of doing experiment in a molecular beam machine . in the experiment of 2 + 1 ' + 1 " two - color rempi , we conformed the accidental predissociation of co ( e1 , v = l ) state , and studied the effect of the accidental predissociation of co ( e1 , v = 1 ) state for different rotational states
4 .为了在分子束实验条件下进行实验，用光学一光学双共振多光子电离光谱( oonr一mpi )的方法，在静态池条件下，对较长寿命的eo ( a ’ n ， v = 18 ) / ( d ’ ， v = 10 )单重态一三重态之间的碰撞传能实验进行了尝试。 |
| 9. | The propagation of ultrashort laser pulse in air is analyzed with mechanics analogy by considering kerr effects and free electron defocusing . the equation describing the evolution of the laser spot is derived . it is shown that long distance focusing requires large initial beam and the propagation distance is very sensitive to the initial divergence angle of the laser beam
考虑多光子电离效应和光学kerr效应，首次利用力学类比的方法研究了超短脉冲激光在电离气体中的传输，详细分析了传输距离与激光初始光斑、初始发散角以及激光功率的关系，提出了实现长距离传输的条件。 |
| 10. | ( 3 ) the possible mechanism of dissociation / ionization is analyzed , ( 4 ) it is shown that the main dissociation channel is non - resonant photodissociation of parent molecule followed by the further photodissociation or photoionization of the fragments . in chapter six , the rempi - tof - ms of acetaldehyde are investigated in the range of 279 . 5 - 286 . 5nm . the main results are : ( 1 ) the tof - ms and rempi spectrum of acetaldehyde are measured
第六章主要报道了乙醛分子在279 . 5一286 . 5nm范围内的共振增强多光子解离一电离过程的实验研究结果和分析结果，主要内容有: ( l )实验测定了乙醛分子的共振增强多光子电离的tof质谱和分质量的既mpi谱。 |
