| 1. | Large - fresnel - number optical resonator 大菲涅耳数光学共振器 |
| 2. | Astigmatic optical resonator 象散光谐振器 |
| 3. | Coupled optical resonator 耦合光谐振器 |
| 4. | Optical pattern dynamics is mainly divided into two parts : laser pattern dynamics and pattern dynamics in optical resonator with nonlinear material 光学斑图动力学主要包括激光器斑图动力学和含有非线性介质的光学谐振腔系统的斑图动力学。 |
| 5. | Quasi - optical resonators which have advantages on high quality factor 、 using easy and sample placed easy etc can accomplish electrical dielectric parameter measurement of dielectric material effectively 准光学谐振腔具有高q值、使用简便、样品放置容易等许多优点,能够有效地完成介质材料电介质参数精密测量的任务。 |
| 6. | This paper analyses the mechanism and kinds of the opening optical resonator ' s loss , discusses how to reduce the stable optical resonator ' s loss for improving the optical resonator ' s quality when designing stable optical resonator 摘要本文描述了光学谐振腔损耗的分类和产生的机制,讨论了设计稳定光学谐振腔时,如何减少稳定腔损耗以便于提高它的品质因数。 |
| 7. | The task will be completed by designing 3mm quasi - optical resonator to get small waist radius of gaussian beam existing in quasi - optical resonators . the 3mm quasi - optical resonator test system is built and the test soft is written in vc + + language . we test on dielectric plates , then realize sweep test of large - area sample by adjusting move set to get dielectrical parameter distribution 本课题拟通过设计3mm开放式谐振腔,使开放式谐振腔中传播的高斯波束的束腰半径尽可能小,组建3mm准光学谐振腔测试系统,编写测试软件,对介质片进行测试,调节移动装置,实现对大面积介质片的扫描测试,从而测得介质片介电性能的分布。 |
| 8. | The main research work includes : 1 . through analyses of the correlative measurement technology and consideration of the characteristic of the measured materials , the method by quasi - optical resonator is selected ; theory of quasi - optical resonator is analyzed ; physical model is settled ; the formulas are deduced . 2 本课题的主要工作包括: 1 .通过对国内外相关测量技术的分析,根据实际情况,确定了用准光腔进行测量;分析了准光腔理论;建立了用反射法测试的理论模型;推导了用准光腔测量复介电常数的公式。 |
| 9. | The electromagnetic field and energy distribution of gaussian beam existing in quasi - optical resonator are analyzed and simulated using matlab , the resonant frequency and waist radius of the resonator are calculated , and design the 3mm quasi - optical resonator according to resonant frequency and waist radius 本文首先分析了准光腔内存在的高斯波束电场和能量分布情况,模拟了工作模式tem _ ( 00q )和高次模式的电场和能量分布图,计算准光腔的谐振频率和束腰半径,以此为依据设计了3mm准光学谐振腔。 |
| 10. | The cavity mirror can also be designed according to an objective function . the second part ( the 5th chapter ) is to introduce the concept of low diffraction beam and to illustrate the principle and method how to realize it . a low diffraction beam is obtained by reconstructing the existing optical resonator of a co2 laser using a special diffraction phase plate 第二部分(第五章)提出了低衍射光束的概念,简述了实现低衍射光束原理和方法;通过腔内放置衍射元件的方法实现了低衍射光束的输出;并对这种光束进行了理论和实验研究,理论模型结果和实验结果很好地吻合。 |