| 1. | General rules of passive devices for light beam transmission 光束传输用无源器件总则 |
| 2. | Test methods of optical isolators for light beam transmission 光束传输用光隔离器件的试验方法 |
| 3. | General rules of optical isolators for light beam transmission 光束传输用光隔离器件的通用规则 |
| 4. | The study for laser beam transmission character in atmosphere rondom channer by using ccd 利用ccd研究激光束在大气随机信道中的传输特性 |
| 5. | In this paper , dual - beam transmission problem that possess to a certainty included angle and gains the nonlinear schrdinger coupled equation ( nnlse ) in self - defocusing media is discussed 摘要自散焦介质中双光束斜入射耦合能发生光束偏转,通过数值模拟发现在非线性折射率不是均匀分布时光束偏转能降低抽运光功率并且偏转角度不减小,在相同的功率条件下,能产生更大的偏转。 |
| 6. | Optical field intensity has been simulated by beam transmission method ( bpm ) , bend loss has been calculated by used of the method of conformal transformations , gain has been accounted by the method of lines , and different curved optical waveguides have been compared in the last 采用bpm软件模拟光场在弯曲波导中的分布,用保角变换和射线法计算其弯曲损耗及增益,最后对不同结构的弯曲波导进行比较。 |
| 7. | ( 3 ) we explore photorefractive screening solitons and characters of beam transmission in sbn : 61 : cr crystals . the dependence of beam diameter at the crystal output face on applied field is presented . and influences of the limiting space charge field of the crystals on the experimental results are analyzed ( 3 )初步研究了两块不同掺cr浓度的sbn 61 cr晶体中的屏蔽型空间孤子效应,以及不同外加直流电场作用下光束在晶体中的传输,给出了晶体出射表面处光斑直径随外电场的变化曲线,并分析了晶体中空间电荷场的饱和效应对实验结果的影响。 |
| 8. | The results of strehl ration calculation after low - order modes and tilt part correction at varies atmospheric turbulent intensity and phase spectrum descend efficiency are discussed detailed . the effect o . f laser beam transmission in the turbulent atmosphere with 4 - dimension numerical analog program as well as phase compensation for adaptive optics are studied 利用激光大气传输四维数值模拟程序和实测的大气参数对激光大气传输湍流效应及其自适应光学相位补偿进行了数值模拟研究,并进行了校正低阶模式波前误差的实验研究。 |
| 9. | The transmission characteristics of the inverted telescope , and the influence of beam quality , beam parameter and light system parameter are analyzed with lens beam transmission theory and definition of the beam quality factor m ^ 2 , and a rational explanation of the active focal depth is obtained 摘要利用透镜光束传输规律和光束质量因子平方公尺的定义,阐述倒置望远镜导光系统在超重超大工件高功率激光加工中的传输特性,以及光束质量、光束参数、导光系统参数在加工范围内对稳定加工质量的影响,并对有效焦深给出一个更合理的解释。 |