| 1. | The basis is that when incident polarized light gets through a liquid - crystal box , it ’ s first diffraction angle and optical intensity are controlled by periodic electric field 其原理为:入射偏振光通过空间周期电场作用下的液晶盒,一级衍射角和衍射光强受到电压的调制。 |
| 2. | So the application prospects of linbo _ 3 integrated optic intensity modulators are getting better . the linbo _ 3 integrated optical intensity modulators consisting of m - z optical waveguide and cpw modulation electrode structure is presented in this thesis 本课题旨在研究以linbo _ 3为衬底材料、以m - z干涉型光波导结构为基础、以cpw行波电极为调制电极的集成光学强度调制器。 |
| 3. | In addition this technology is implemented in this experiment . when liquid - core optical fiber is combined with raman spectrum , the optical intensity of raman spectrum can be enhanced with the increasing length of liquid - core optical fiber 实验结果表明,在液芯光纤内产生喇曼效应是随着泵浦激光束与喇曼介质作用体积增加,从而使被激发的喇曼光在光纤的传播中不断被累积而得以增强。 |
| 4. | Because it utilizes phase - shift technology , it is invariant to fiber bending and stray light and has a wide dynamic range of optical intensity as well as low optical and electronic crosstalk , and low drift and phase noise 这是因为它运用了相位移动的技术,它不会因为光纤的弯曲、离散而变化,它有很广的光强度动态范围,同时,具备低光率和电子色度干扰,也拥有移动和相位低噪音的特性。 |
| 5. | With the development of fiber - optic communication systems and fiber - optic sensors , the linbo _ 3 integrated optical intensity modulators consisting of m - z optical waveguide and cpw modulation electrode structure get an extensively application 随着光纤通信与光纤传感的发展,以linbo _ 3为衬底材料、以m - z干涉仪为光波导结构、采用共面行波电极( cpw )为调制电极的集成光学强度调制器得到了越来越广泛的应用。 |
| 6. | The optical near - field distribution and propagation properties of solid immersion lens system are analyzed in detail when illuminated by linearly polarized focusing gauss beam . the change of the optical intensity and beam dimension at the bottom of solid immersion lens with different refractive index and different distance are discussed . the simulated results reveal that the higher the refractive index is , the stronger the optical intensity and the smaller the beam dimension at the bottom of the solid immersion lens will be 编制了对固体浸没透镜近场超高密度光存储系统进行模拟的二维时域有限差分程序,实现了对固体浸没透镜光存储系统的数值模拟;着重研究了线偏振的高斯光束通过固体浸没透镜的光传输和近场光场分布特性;分析了固体浸没透镜底面出射光强、光斑直径随固体浸没透镜折射率的变化、光透过固体浸没透镜后的强度、光斑直径随离开固体浸没透镜底面距离的变化。 |
| 7. | Introduced a new way for dispersion compensation in transmission using uniform fiber bragg gratings . at the last , the analysis of fiber grating production with a phase mask was carried out . based on diffraction and interference theories , we access the near - field optical intensity distributions produced by a periodic mask and draw the important conclusion that we must put the mask near the fiber as we can in the experiment 最后论文讨论了光纤光栅的制作,分析了掩膜板后干涉光场的分布,指出了掩膜板制作应该尽量实现零级抑制,且在系统调试中,光纤要尽量靠近掩膜板放置这一重要结论,在此基础上利用现有实验设备制作出了光纤光栅,研究了不同曝光条件对光栅制作的影响,并利用实验分析了光栅的温度稳定性。 |