Gravitational waves have very low frequency so it is very difficult to detect them by using any ordinary detectors and systems. For detection of gravitational waves a laser Interferometric system prepare i.e. known as LIGO. It contains combination of Michelson interferometer and Fabry perot interferometer, which provide long path for travel laser beams between mirrors. High speed detectors used for detection of changes occurs in ripples due to effect of gravitational waves during propagation between mirrors.
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