| 1. | Discharge of rf - excited co2 waveguide laser 2波导激光器的放电技术 |
| 2. | Several factors in influencing the capabilities of er ~ ( 3 + ) / yb ~ ( 3 + ) co - doped phosphate glass waveguide laser were introduced 其次论述了影响铒镱共掺磷酸盐玻璃光波导激光器性能的几个主要因素。 |
| 3. | Experiment results demonstrate the optimal length and reflectivity of waveguide laser were obtained at a given ratio of er3 + to yb3 + concentration and the output pump power 利用fd - bpm法还对弯曲波导进行了模拟,对弯曲波导的曲率进行了优化。 |
| 4. | Note that the optimized design of fabricating waveguide laser was obtained . the basic principles of fd - bpm of the tow - dimensional and three - dimensional waveguides were demonstrated 这对优化波导结构及s型波导激光器的波导有着重要的意义。 |
| 5. | It can be proved that this new kind of npre - 1 glass entirely possessed the qualification for preparing light waveguide . this achievement has created good condition for making light waveguide laser 实验证明,这种新型玻璃完全具备了制备光波导的条件,为下一步制备光波导激光器创造了良好的条件。 |
| 6. | The curly waveguide was simulated with fd - bpm too . it was important to optimize the waveguide structure and s waveguide laser . a new equipment which could be used in field - assisted ion exchange process was designed and the blueprints of the equipment were drawn 设计了一种新的用于电场辅助离子交换的实验装置,并绘制了装置设计图;设计了一套利用该装置进行电场辅助离子交换,制备掩埋型波导的切实可行的实验方案。 |
| 7. | Second , the mode fields of a strip waveguide and some slab waveguides have been simulated by applying finite - difference time - domain ( fdtd ) method . the curvature radius ; vicinity coupling ; transition loss and power attenuation of a s - shape bend waveguide have been analysed numerically by employing wide angle finite - difference beam propagation method ( fd - bpm ) , as well as the coupling loss of optical fiber and waveguide . in addition , the framework of the s - shape waveguide laser has been 其次,应用时域有限差分法,结合波导模式理论对条形与平面波导进行了模场仿真;应用广角有限差分光束传播法,对s形弯曲波导的曲率半径、邻近耦合、过渡损耗、功率衰减以及波导与光纤的各种耦合损耗进行了数值分析,并在此基础上,对s形波导激光器的结构作了初步设计。 |
| 8. | As far as input coupling devices concerned , we design a feasible taper coupler by means of the theory of waveguide coupling and outside cavity waveguide laser and make decision of the sizes of the lens and the taper coupler , and the relative distance of them . the focus of the lens is 65mm and the radius is 5mm . the length of the taper coupler is 15mm , and the radiuses of the input and output ends separately are 17mm and 0 . 65mm 在输入耦合器方面,借助于波导耦合和外腔式波导激光器的相关理论,设计了工艺上可行的锥型耦合器,确定了透镜、耦合器的尺寸以及耦合器与透镜的相对位置:耦合透镜的焦距为65mm ,直径为srnm ,耦合器的长度为15mm ,输入端直径为17mm ,输出端直径为0 |
| 9. | The general development , characteristics and applications of er ~ ( 3 + ) / yb ~ ( 3 + ) co - doped phosphate glass waveguide laser were summarized . the characteristics of er ~ ( 3 + ) / yb ~ ( 3 + ) co - doped phosphate glass were introduced . meanwhile , main methods of fabricating optical waveguide were presented briefly 本文首先论述了铒镱共掺磷酸盐玻璃光波导激光器的发展概况,阐述了铒镱共掺磷酸盐玻璃以及铒镱共掺磷酸盐玻璃光波导激光器的特点和在光通信技术中的应用,并简要介绍了制作光波导的几种方法。 |
| 10. | Ignored the amplified spontaneous emission ( ase ) and esa , rate equations and propagations equations for continuous wave er ~ ( 3 + ) / yb ~ ( 3 + ) co - doped phosphate glass waveguide laser were calculated using runge - kutta algorithm . propagation characteristics of signal and pump light in the waveguide were analyzed too 利用fd - bpm法,对在平板波导以及波导折射率为渐变折射率分布的沟道波导和掩埋型波导内传播的波长为980nm的泵浦光和1540nm的信号光的光场进行了模拟。 |