引力射电分光计
Gravitational radiospectrometer
摘要：
引力透镜是由广义相对论预言的，并在观测中发现。当引力体被等离子体包围时，由于折射性质，透镜角取决于电磁波的频率以及光在等离子体中传播的色散性质。最后一个效应导致依赖性，即使在均匀的等离子体中，透镜的角度对频率，类似于折射棱镜光谱仪的属性。该光谱仪的最强作用是用于略微超过等离子体频率的频率，这对应于非常长的无线电波。
英文摘要：
Gravitational lensing is predicted by general relativity and is found in observations. When a gravitating body is surrounded by a plasma, the lensing angle depends on a frequency of the electromagnetic wave due to refraction properties, and the dispersion properties of the light propagation in plasma. The last effect leads to dependence, even in the uniform plasma, of the lensing angle on the frequency, what resembles the properties of the refractive prism spectrometer. The strongest action of this spectrometer is for the frequencies slightly exceeding the plasma frequency, what corresponds to very long radiowaves.
机构、总结、中文摘要均由AI分析而来，可能存在错误，请以论文正文为准。
