In this paper, various types of sources of gravitational waves are considered. The use of the effect of mutual conversion of electromagnetic and gravitational waves in a nonlinear optical dielectric medium is proposed as a promising method for creating a source of gravitational-wave radiation.
We consider the different approaches to the generation and detection of the high-frequency gravitational waves. The estimations of the amplitude of gravitational waves generated by these methods were made. The characteristics of the high-frequency gravitational waves induced by perturbations of matter and the electromagnetic field are compared. The possibility of the direct detection of gravitational waves on the basis of the different methods was considered as well.
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