设计、仿真和分析了一种双端口单层双极化微带贴片天线。 这两个端口具有 1800 相移，设计用于在 C 波段工作，解决方案频率为 4GHz。 贴片的边缘被蚀刻，这有助于改善设计天线的极化。 插入馈电是用于设计双极化天线的馈电技术，可提供大约 8.5dB 的增益。 本文介绍了双极化贴片天线的参数，如 VSWR、辐射方向图、轴向比和回波损耗，并进行了仿真并记录了结果。 建议的天线适用于回波损耗小于 -10dB 的单个窄带频率，并在卫星通信和天气雷达中得到应用。

[光学手册卷I,II].Handbook.of.Optics,.Third.Edition.Volume.I.Geometrical.and.Physical.Optics,.Polarized.Light,.Components.and.Instruments.pdf

Where there is light, there is polarized light. It is in fact difficult to find a source of light that is completely randomly polarized. As soon as light interacts with anything, whether through reflection, transmission, or scattering, there is opportunity for polarization to be induced. As pointed out in the first sentence of the Preface to the First Edition, polarization is a fundamental characteristic of the transverse wave that is light. More than ever, it is a characteristic that must be addressed in modern optical systems and applications.

Broadband Circularly Polarized Microstrip Antenna Array Using Sequentially Rotated Technique 英文原文及中文翻译

Broadband Circularly Polarized Slot Antenna Array 英文论文原文及中文翻译

Circularly Polarized Antennas 圆极化天线英文版，作者: Steven (Shichang) Gao, Qi Luo and Fuguo Zhu

我们提出并通过实验演示了基于模式分割复用的无源光网络。 两种单独的线性偏振（LP）模式已成功通过1.8公里的低模串扰少模光纤传输，并以无错误的性能进行了多路分解。

A novel antipodal Vivaldi antenna with tapering serrated structure at the edges is proposed. Compared with traditional Vivaldi antennas without serrated structure, the gain of the designed antenna is significantly improved in the desired frequency band (4.5- 7.5 GHz). In addition, a 2 x 2 Vivaldi antenna array with an orthorhombic structure is designed and fabricated to achieve a circular polarization (CP) characteristic. With this configuration, the 3 dB axial ratio bandwidth of the array reach

We report an all-fiber high power, single frequency large-mode area (LMA) linearly polarized ytterbiumdoped fiber amplifiers (YDFA) module, which is based on the master oscillator multi-stage power amplifiers (MOPA). The maximum output power is 43.8 W at a wavelength of 1064 nm when 60-W launched pump light is coupled, with high slope efficiency of 88%, polarization extinction rate (PER) >17.2 dB and nearly diffraction-limited beam quality (M2<1.1).

本文分析了最常见的影响旋转检偏器式椭偏仪准确度的两个因素.提出了改进的测量方法和测量结果的修正公式,提高了测量准确度并为实验所证实.