| 1. | Results show that the displacement sensor based on self - mixing interference has the same phase sensitivity as a conventional interferometer 并且推导出smi位移测量具有与双光束干涉测量相同的相位灵敏度。 |
| 2. | Moreover a novel approach to fabricate array of three - dimensional waveguides in pr crystals employing illuminations of a pair of mutually coherent or incoherent two - beam interference fields is proposed 并提出了利用一个双光束干涉场以不同的角度两次辐照晶体,在光折变晶体中写入不同通道波导阵列结构的方法。 |
| 3. | The phenomenon of interference is presented when the x - ray beam hits the thin layer sample at glancing angle , the angles corresponding maximal and minimal intensity of x - ray fluorescence are described when the phenomenon of double - beam interference or multiple - beam interference is occurred 介绍了掠射x射线与薄膜样品作用时产生的干涉现象,给出了x射线双光束干涉和多光束干涉产生极值的条件。 |
| 4. | Two ways to generate structured illumination have been widely studied . they are projection system based on imaging law and double - beam interference based on interference law . however , the method based on diffraction to generate structured illumination has hardly been studied 已经研究的结构照明方法主要包括基于成像原理的投影系统和基于干涉原理的双光束干涉系统,而对基于衍射原理的结构照明方法却鲜有研究。 |
| 5. | This thesis describes a all fiber optic accelerometer based on t - g double beam interferometer , the whole system include a coherent source whose wavelength is 1310nm , a flexural optic fiber disk act as sensing unit , photodetector , piezoelectric ceramic act as a phase modulator and signal processing circuit . the all fiber optic accelerometer described in the paper has many desirable engineering features which include : broad frequency response ; high sensitivity to measurands ; antielectromagnetic interference and small size 本课题研究的是一种基于泰曼-格林( t - g )双光束干涉仪原理的光纤加速度计,系统主要包括:中心波长为1 . 31 m的ld相干光源、起传感作用的光纤柔性盘、光探测器( pin ) 、相位调制用的压电陶瓷以及信号处理系统。 |
| 6. | Furthermore , the range of measurement of it was pointed out . all the analysis shows that our crsi 1il can be used to measure the spatial mid and low frequency wavefront distortion . 5 . based on our crsi and algorithm , the phase modulation characteristic of an lcslm was measured 五、利用环路径向剪切干涉仪共光路、双光束干涉的特点,全场准确测量了液晶空间光调制器的位相调制特性,并且利用它的位相调制特性实现了台阶位相板畸变波前的补偿,由此证明了液晶空间光调制器可用于控制波前畸变。 |
| 7. | We present a charge - transport model of the photorefractive effect with two deep traps ( two deep - trap model ) based on one deep - trap model and shallow - deep - trap model . we also found dark decay behaviors which accord with the two deep - trap model in the two - beam interference experiments . the fast decay - time constant of the space - charge field is obtained as 714s 此外,在ce : batio _ 3双光束干涉光折变光栅的暗衰减实验中,也观察到了符合双deep模型的衰减现象,得到光折变空间电场快衰减时间常数714s ,约12分钟。 |
| 8. | The methods and systems ( including amplitude division double - beam interference system , three - beam interference system , liquid immersion type deep uv interference system and full automatic interference photolithographic system ) for amplitude division maskless laser interference photolithography are studied and compared 研究和比较了振幅分割无掩模激光干涉光刻方法和系统,包括振幅分割双光束干涉系统、三光束干涉系统、液浸式深紫外干涉系统及全自动干涉光刻系统。 |