| 1. | Such substances are optically anisotropic and birefringent .
这种材料是光学各向异性的，是双折射的。 |
| 2. | Midzone of the phragmoplast was also a region where assembly of birefringent fibers was being initialed .
成膜体的中段也是双折射的纤丝装配起动的区域 |
| 3. | Raw optical glass . determination of birefringence
未加工的光学玻璃.双折射的测定 |
| 4. | Raw optical glass - determination of birefringence
原光学玻璃.双折射的测定 |
| 5. | However , the report about the method of measuring the inner linear birefringence of optical glass sensing head is rarely to seen
然而对光学玻璃传感头内双折射的测量方法，目前还鲜见报道。 |
| 6. | The group birefringence and the phase birefringence of the two fibers are demonstrated and the numerical results are in agreement with the reported experimental results
比较了两种高双折射微结构光纤的相双折射和群双折射的特性并进行解释。 |
| 7. | The results show that when the linear birefringence is small , the linear birefringence of the bulk glass can be effectively measured by the methods reported in this paper
研究发现：在线性双折射较小的情况下，通过论文中提出的方法，可较好的测量出块状光学玻璃线性双折射的大小。 |
| 8. | In this paper , the author proposes some methods of measuring the inner linear birefringence of optical glass sensing head and researches these methods by means of theoretical analysis , computer simulation and experimental investigation
在论文中作者提出了几种测量光学玻璃内部线性双折射的方法并从理论研究、计算机仿真、实验验证三个方面对这些方法进行了研究。 |
| 9. | Some electro - optical crystals can result in birefringency when they are pressed by electric field , by controlling the intensity of the electric field , we can change the phase of the output optical beam , so the desired scanning direction can be got
它主要是利用某些电光晶体在电场的作用下，可以产生双折射的原理，通过控制加在光学相控阵中各相控单元两极间的电场强度，可以改变出射光的相位，从而得到所需角度的扫描。 |
| 10. | The paper has five sections include the basic knowledge and the experiment research , systematically analyses the impact of the liquid crystal box ' s position angle on the measuring result of liquid crystal lyot filter and the practical significance of this work . the work of this paper maily includes five sections : ( 1 ) the related theory of the crystal birefringence is systemicly introduced in this paper ; ( 2 ) the theory of the lc voltage - dependent birefringence is introduced ; ( 3 ) no voltage applied , changing curve between the transmission and the liquid crystal box direction is got from experiment ; ( 4 ) voltage applied , changing curve between the transmission and the liquid crystal box direction is got from experiment ; ( 5 ) desired wavelength is extract from changing the direction of liquid box . originality innovation of this paper is that the theory of the lc voltage - dependent birefringence is systemically introduced in this paper especially those related to voltage and direction
本文主要完成以下几方面工作： （ 1 ）比较系统地整理了晶体双折射的有关理论； （ 2 ）简单介绍了液晶的电控双折射特性； o ）在未加电压情况下，研究液晶盒方位角对滤光片透过率曲线的影响；厂）在加交流电压的情况下，研究液晶盒方位角对滤光片透过率曲线的影响； （ 5 ）利用方位角的调整来提取特定波长的谱线；本论文的创新之处在于比较系统地整理了晶体双折射的有关理论，特别是与电压及方向有关的理论，实验得出了滤光片透过率随液晶盒方位角变化的关系曲线，并将之运用于v吸器波长的话线朋 |
