Gravity Recovery and Climate Experiment Follow-On (GRACE-FO) was launched on May 22, 2018. It carries the Laser Ranging Interferometer (LRI) as a technology demonstrator that measures the ...

Time-delay interferometer (TDI) is well established as an effective technique to mitigate laser phase noises in laser interferometer gravitational wave detection. Just as important in the TDI scheme ...

Predicted by Einstein and dismissed as undetectable, gravitational waves were finally heard in 2016. Now, with observatories ...