Tuesday, 15 January 2019

general relativity - Why does LIGO have an arm length of few kilometers? Is the distance dependent on Gravitational Wave wavelength?


Antennas for capturing radio waves need to have $\frac{\lambda}{2}$ length for optimum reception of signal. Does it imply LIGO arm length is $\frac{\lambda}{2}$ of Gravitational Wave it is trying to capture?




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