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- Comparing to conventional E-plane waveguide filter,great improvments have been made in stop-band attenuation of a BPF. 为了提高E面全金属膜片矩形波导滤波器的阻带性能,本文对滤波器的结构做了改进,采用了混合膜片的形式。
- Blank Detail Specification for Class IVa Dispersion-Unshifted Single-Mode Optical Waveguide Fibers. IVa级色散无漂移单膜光学波导纤维的空白详细规范。
- These devices have optical waveguide structure, moderate doping level and active layer thickness. 该器件带有光波导结构并具有适当掺杂和有源层厚度。
- And the conclusion is presented too.It is easy to design and manufacture waveguide filter using dielectric layer PBG structures. 利用介质层PBG结构来制作波导滤波器具有设计简单、易于实现的显著优点。
- Transmission Systems - Parallel-plate optical waveguide, modes (ray and wave-optics methods). 15 14光传导系统?平行面光导,模(辐射与波动光学)。
- In this thesis, a series of SOI-MMI optical waveguide components and optical switches are studied. 本文开展了一系列基于SOI材料的MMI型光波导器件和光开关的研究。
- It also overcomed the dificulty to realize characteristics BPF with fractional bandwidth greater than about 5% in the form of multi-metal insert waveguide filter. 既提高了滤波器的阻带性能,又避免了单纯的多膜片结构能实现的滤波器带宽较小的缺点。
- It can serve as an ideal tool to study any complicated formg of optical waveguide and can enable one to obta... 能以校小的计算工作量获得本征值与本征函数的高精度的计算结果,可作为复杂电磁场边值问题研究的理想方案。
- Abstract: The design theory of evanescent mode waveguide filter is presented.The theory derives the equivalent circuits of the rectangular waveguide in TE dominant mode. 摘 要: 给出了消失模波导滤波器的设计理论,其中导出了矩形波导在TE主模传播时的等效电路。
- Research of Ultrahigh-Order Modes in Double Metal-Cladding Optical Waveguide with Submillimeter Scale[J]. 引用该论文 曹庄琪;陆海峰;李红根;邓晓旭;沈启舜.
- Variational Analysis of Buried Ion-Exchanged Optical Waveguide by Using Hermite-Gaussian Field Approximations[J]. 引用该论文 张雅丽;张韬;祝宁华;刘克;潘裕斌.
- Erbium-doped optical waveguide is used to fabricate optical waveguide amplifiers. 摘要掺铒光波导主要用来制作光波导放大器。
- In the semiconductor laser, we fabricated the Fabry-Perot laser by optical waveguide reflector with one input and two inputs. 半导体雷射方面,我们利用一单输入及双输入的光波导反射器来制作费比-普洛雷射。
- An integrated diffractive optical element(DOE) mode converter was presented for low?loss coupling between single?mode fiber(SMF) and optical waveguide. 提出了一种集成化衍射光学模式转换器。 利用衍射光学器件(DOE)实现模式转换,消除模式失配,实现单模光纤(SMF)与光波导的低损耗耦合。
- The result shows that, the size of the coupling port has strong influence on the external quality factor of the output cavity, while the size of the coupling line and the capacitive metal rods mainly affect the tuning frequency of cutoff waveguide filter. 另外,由于耦合接头相当于在截止段中引人了一个附加电感,这使滤波器谐振电路的品质因数变大,谐振峰变窄。
- UV pulsed-laser illumination is used to change the refractive index of BCB for optical waveguide fabrication due to its unique optical properties. 由于BCB的特殊光学性质,本研究以紫外光照射方式改变BCB高分子的折射率,进而应用于光波导元件制作。
- Coupling model of fused polarization-maintaining fiber couplers is built on the basis of coupling mode theory of optical waveguide. 耦合系数会直接影响到偏振光经过耦合器熔锥区后的光能量分布,从而影响保偏光纤耦合器的耦合性能。
- The Optimum Analysis and Design of SiGe Rib Optical Waveguides[J]. 引用该论文 高勇;李国正;刘恩科;刘西钉.
- It can serve as an ideal tool to study any complicated formg of optical waveguide and can enable one to obtain very hjag accur... 能以校小的计算工作量获得本征值与本征函数的高精度的计算结果,可作为复杂电磁场边值问题研究的理想方案。
- The Finite-Difference Time-Domain (FDTD) method is adopted to make the numerical analysis of its optical waveguide transmission properties. 采用时域有限差分法对这种器件的光波传输特性进行了数值分析,结果表明:本征模色散曲线之间相交;