| 1. | Core diameter measurement of graded - index optical fibers
渐变折射率光纤的芯径测量 |
| 2. | Sectional specification for class 1a graded - index multimode optical fibers
1a级渐变折射率的多模光纤的分规范 |
| 3. | Launched power distribution measurement procedure for graded - index multi - mode fiber transmitters
渐变折射率多模光纤发射机的发射动力分配测量程序 |
| 4. | Attenuation by substitution measurement for short - length multimode graded - index and single mode optical fiber cable assemblies
交替测量法进行短长度的多模渐变折射率光纤电缆和单模光纤电缆组件衰减量的测量 |
| 5. | Chromatic dispersion measurement of multimode graded - index and single - mode optical fibers by spectral group delay measurement - variable aperture method in the farfield
利用光谱组延迟测量法进行多模渐变折射率光纤和单模光纤的色散测量.远场可变孔径法 |
| 6. | First , i made and improved some beam propagation method ( bpm ) programs , consisting of 2d ( eim - bpm ) and 3d bpm , with transparent boundary condition ( tbc ) and perfectly matched layer ( pml ) boundary condition respectively
首先建立了光束传播法( bpm )的模拟平台，解决了边界问题。利用建立的三维bpm平台设计了渐变折射率波导的mmi耦合器。 |
| 7. | In optical fiber aspect , the incident beam can be collimated , converted and focused by some kinds of lenses , making the mode of incident beam matched with or near the optical fiber ’ s modes . in this thesis , thorough theoretical analyses and experimental investigations were made for the external optical properties of a 980nm high - power tunnel junction regenerated multi - active - region quantum well stripe - geometry algaas / gaas / ingaas ld and three different stripe - width 980nm high - power
本论文围绕本实验室研发的新型隧道再生多有源区980nmalgaas / gaas / ingaas量子阱大功率半导体激光器和多种条宽的单有源区980nmalgaas / gaas / ingaas量子阱大功率半导体激光器的光场外特性、单模阶跃折射率光纤和多模渐变折射率光纤的模场特性进行了深入的理论分析和实验研究。 |
| 8. | 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。 |
