FDTD is widely used in the analysis of electromagnetic problems, such as microwave, Optical tweezers, near field optics and so on.
FDTD广泛应用于研究电磁波与各种物体的相互作用，如微波、光镊、近场光学、细胞中光场分布的数值求解。
With optical displacement meter, non-electricity detection can be realized, which helps to avoid the effect of strong electromagnetic field and humidity.
利用光学测量变形，可以实现探测器无电化设计，使得测量不受强电磁场和湿度的影响。
In this paper, the principle and the experimental structure to measure temperature with optical fiber sensor of infrared radiation in intensive electromagnetic field are described.
文章概述了在强电磁场中用红外辐射光纤传感器测量温度的原理和实验装置。
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