以下为句子列表：
英文: Abstract: A general BPM simulator for optical waveguides is presented in this paper.This system includes three tools:the effective refractive index calculation tool, the waveguide mode solution tool,and the beam propagation method simulation tool.This sys
中文: 文摘:介绍了一个光波导器件计算机辅助分析系统，该系统集成了3个实用工具：光波导有效折射率计算工具，光波导模式求解工具和三维复折射率全矢量有限差分束传播法模拟工具.本系统用于线性波导器件，模拟光在波导中的传播过程，从而可以优化设计波导器件，探索新结构器件.
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英文: An improved way for fabricating micro-waveguide was presented by analysing the asymmetry of laser intensity distribution in perpendicular fabrication.
中文: 摘要分析了垂直式加工中加工区域光强分布不对称的原因，从理论上总结出改进这种不对称的方法。
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英文: Based on the idea of improving the frequency characteristic of the two parameters above, a novel method of improving the bandwidth of the slot array antenna is presented in this paper, which uses a ridged waveguide instead of a rectangular waveguide as th
中文: 本文以改善这两个参数的频率特性为出发点，提出了一种展宽波导裂缝天线带宽的新方法，即用脊波导代替矩形波导作为辐射波导。
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英文: In this work we designed and produced an auto-scanning and data-acquisition apparatus of microwave imaging with rectangular open-aperture waveguide as the sensor.
中文: 摘要采用矩形开口波导作为传感器，建立对成像样品板进行自动扫描控制和数据采集的微波成像装置。
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英文: Similarly, a condensate moves along a magnetic matter waveguide as a beam of matter.
中文: 同样地，凝聚态以物质波束的型态能顺著磁性物质波导移动。
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