| 1. | Several measurement methods of phase conjugation fidelity of sbs
相位共轭度的方法 |
| 2. | Stimulated brillouin scattering ( sbs ) is considered to " be an effective approach for phase conjugation ( pc ) and increasing the brightness of solid laser radiation
改善固体激光器光束质量，采用受激布理渊散射( sbs )是一种有效的手段。 |
| 3. | The characteristics of competition and coexistence of self - pumped phase conjugation ( sppc ) and mutually pumped phase conjugation ( mppc ) in the photorefractive ( pr ) crystal are studied , with the physical mechanism analyzed
本文研究了光折变晶体内自泵浦相位共轭( sppc )与互泵浦相位共轭( mppc )相互竞争、同时共存的特性，分析了其物理形成机制。 |
| 4. | ( 2 ) the factors in sbs conjugation fidelity and the methods to measuring fidelity were analyzed . four examples of phase conjugation mirror based on sbs were studied . in addition , a brief analysis of the sbs phase conjugation resonator was achieved
( 2 ) 、讨论了影响sbs相位共轭度的因素，分析了相位共轭度的测量方法和几种基于sbs的相位共轭镜，并对sbs相位共轭腔做了简要分析。 |
| 5. | Unique and valuable results have been achieved as follows : 1 . through math modal , the relation between the phase conjugation reflective of ce . ' batios and incident angle , incident position were calculated . experiment results are quite accordance with theoretical calculations
入射波长为632 . 8nm时，利用数学模型对位相共轭反射率与入射角度，位相共轭反射率与入射位置关系等进行了理论分析计算，实验结果与理论计算结果基本符合。 |
| 6. | We advance , for the first time to our knowledge , that efficient self - pumped phase conjugation performed with an ceibatioa crystal with low repetition ( lhz - 10hz ) nanosecond pulses from a q - switched nd : yag laser . phase conjugation reflectivity as high as 21 . 5 % were obtained at an incident angle of 50 . 3
首次获得了低脉冲重复率( 1hz )的调q倍频nd ： yag激光器作用于ce ： batio _ 3浙江大学硕士学位论文晶体，产生自泵浦位相共轭（ sppc ）作用的实验结果。 |
| 7. | Using the phase conjugation mixer the compact wire antenna with two isolated ports presented in chapter 2 is simulated , and the results show that the antenna can follow the incoming signal with the main beam and has 4 - 8db gain improve against the standard monopole in the incoming signal direction
对本文第二章提出的两馈电端口的高隔离度线天线的仿真表明，利用相位共轭电子科技大学博士论文混频器，天线系统能以主波束在0 ’一360 ’的范围内跟踪入射波方向，具有一定的方向回溯能力。 |
| 8. | Photorefractive phase conjugation , which is one of the most important methods for producing phase conjugation wave , is of potential use in many fields due to its low build - up threshold , high fidelity and high damage threshold , etc . in this thesis , we present a complete research to the characteristics and applications of ce : bati03 self - pumped phase conjugation ( sppc )
光折变位相共轭具有建立阈值低、保真度高和大损伤阈值等优点，因而具有广泛的用途。在本论文中，我们针对ce ： batio _ 3晶体光折变自泵浦位相共轭器的特性和应用做了全面深入的研究。 |
| 9. | Based on analysis and research , many experiments were done . they include : ( 1 ) self - pumped phase conjugation ( sppc ) in ce : batio3 with 532nm nanosecond pulse operated at either a 1 - or 10 - hz repetition rate . ( 2 ) sppc operated in ce : batio3 with 532nm continuous wave , especially concentrated on the self - pulsation phenomenon
在此基础上对不同波长入射、连续及脉冲情况时晶体自泵浦位相共轭特性进行了深入的实验研究，它们包括： ( 1 ) 532nm脉冲重复率f = 1hz 、 10hz时ce ： batio _ 3位相共轭特性实验。 |
| 10. | In photorefractive crystal light illumination changes the refractive index of the crystal due to linear electrooptical effect , which in turn changes the light distribution . as a result of the development of this process , a beam , called the phase conjugation wave , leaves the crystal back along the direction of the incident beam and is its phase conjugate replica
光折变晶体在光辐照下，通过晶体中的线性电光效应而产生折射率随光强的空间分布而变化，即在晶体内建立起体相位栅。 |
