| 1. | Vehicle dynamic control system simulation and optimization using multibody dynamics 介绍了一种采用相位调制器 |
| 2. | Design and experiment of acousto - optic waveguide phase modulator in electro - optic integrated acceleration seismic geophone 光电集成加速度地震检波器中声光波导相位调制器的设计与实验 |
| 3. | In 3 . 1 the reflection characteristic of f - p cavity is presented . in 3 . 2 the optical - electronic modulation is introduced and the technique of how to make a resonant eom is discussed also 3 . 1从理论上分析了f - p谐振腔的特点, 3 . 2讨论了电光相位调制的特点,介绍了共振型电光相位调制器的制作。 |
| 4. | First , the principle of electro - optic modulator is introduced . the significance of some key technologies in the lithium niobate phase modulator are expounded , and the status quo of the device are summarized 本文首先简单介绍了电光调制器的原理,阐述了铌酸锂相位调制器中波导制作、 v型槽制作、器件封装耦合及可靠性等几项关键技术的研究意义,综述了其研究、发展现状。 |
| 5. | Then we optimized the structure of electrodes . on the basis of the theoretical analysis and design , we brought forward a method of fabricating technique for our laboratory , and we finished the fabrication of proton - exchange linboa phase modulator 在理论分析、设计的基础上,提出了与实验室水平相适应的质子交换器件制作方法,完成了质子交换linbo _ 3单y相位调制器的制作。 |
| 6. | Because of the limitation of the measuring condition , in the thesis we had only measured some characteristics of the phase modulator : channel waveguides " loss coefficient is 0 . 22db / cm , the split - ratio is 52 / 48 and half - wave voltage is < 5v 由于条件所限,论文中仅测量了直波导损耗系数、相位调制器的半波电压和输出分束比。经测量,半波电压小于5v ,直波导损耗系数为0 . 22db cm ,输出分支比为52 48 。 |
| 7. | Optical phase retarders are not only important optical components in laser technique and polarized light technique fields , but also the basic optical phase modulators that introduce a phase shift between orthogonal and linearly polarized component when light transmittes through them 光相位延迟器,是偏光技术和激光技术领域中极为重要的光学器件,也是最基本的光相位调制器。它能使透过它的振动方向相互垂直的两束光波彼此之间产生一定的相位差,故称光相位延迟器。 |
| 8. | On the base , we designed the waveguides " structure and fabrication parameter . and in the design of symmetric y - branch of proton - exchange s ingle - y phase linbo3 modulaor , we used finite difference beam propagation method to analyze and compare the optical transmission loss of different s - bend y - branch 本文对质子交换linbo _ 3单y相位调制器的重要部件y分支进行了深入的研究,比较了不同s弯曲形式的y分支过渡长度与损耗的关系,并计算出间距250 m时的最小弯曲长度。 |
| 9. | With the existing condition , the bar waveguide on the lithium niobate wafer with liquid phase proton - exchanged method has been fabricated and the benzoic acid is used as the proton source . a series of research on the domain inversion in lithium niobate crystal with proton - exchanged method have been done . and then the operation and the process of domain inversion in lithium niobate crystal with proton - exchanged method has been used 实验方面,利用实验室现有条件,在铌酸锂晶片上以苯甲酸为质子源,用液相质子交换法制作了条形波导;对用质子交换法实现铌酸锂晶体畴反转进行了一系列实验研究,在此基础上提出了质子交换法实现铌酸锂晶体畴反转的工艺过程,实现了畴反转并腐蚀得到了v型槽;设计制作了带尾纤的电光相位调制器,最后进行封装。 |
| 10. | Because of the importance of the phase modulator in the detection procedure in resonator fiber gyro , this thesis analyses the band side frequency caused by the phase modulation , proposing the methods how to eliminate the band side frequency effect and how to make use of the band side frequency 由于线性相位调制器在谐振式光纤陀螺的检测过程中起到重要的作用,本文分析了由于相位调制器调制问题引入的边带频率效应,提出了消除边带频率和如何利用边带频率的方法。 |