| 1. | A dark - soliton perturbation theory on the defocusing nonlinear schr dinger equation 方程的暗孤子微扰理论 |
| 2. | Semi - classical limit of cubic defocusing nonlinear chrodinger system 非线性散焦立方薛定谔方程的半古典极限 |
| 3. | Research on focusing system characteristics and defocusing application in laser direct writer 激光直写调焦系统特性及离焦应用研究 |
| 4. | In this thesis , induced focusing in self - defocusing media is explored thoroughly by numerical method 本文用数值方法对自散焦介质中的光束诱导聚焦现象进行了系统的研究。 |
| 5. | It ' s well known that both thermal self - defocusing effect and reverse saturable absorption can lead to optical limiting 众所周知,热自散焦效应和反饱和吸收效应都能导致光限幅。 |
| 6. | The historical review is given about the research on the induced focusing of optical beams in self - defocusing nonlinear media 在此基础上对三维自散焦介质中由交叉相位调制效应诱导的光束聚焦进行系统研究。 |
| 7. | In this , we focus on the phenomena of the induced focusing when two beams propagation in self - defocusing nonlinear media in an off - axis geometry 本论文旨在研究三维自散焦介质中由交叉相位调制效应诱导的光束聚焦。 |
| 8. | How a dark pump beam induces a bright probe beam to focus in two - and three - dimensional self - defocusing media is discussed in chapter 5 第五章,讨论了二维和三维自散焦介质中具有暗光束分布的泵浦光对基模高斯信号光的聚焦作用。 |
| 9. | It has been theoretically and experimentally demonstrated that in self - defocusing media , a weak beam ( the probe ) can be induced to focus by a strong beam ( the pump ) that propagates simultaneously with it 理论与实验结果均表明,在自散焦介质中,强泵浦光可诱导与其共同传输的弱信号光聚焦。 |
| 10. | In chapter 4 , it is simulated that a probe beam and a pump beam counter - propagate in a two - dimensional self - defocusing medium and thorough analyses are made to the induced focusing in this configuration 第四章,用分步傅立叶方法模拟双光束在二维自散焦介质中的对向共同传输过程,对出现的诱导聚焦现象进行了系统的分析。 |