3 ms·
OP said "a few". The paper says LIGO et al. are sensitive up to an order of 3 or 4; planned interferometers are targeted at lower ranges. The needed device need
by thechao 9y ago
OP said "a few". The paper says LIGO et al. are sensitive up to an order of 3 or 4; planned interferometers are targeted at lower ranges. The needed device needs to be sensitive to modes of at least order 12---but preferably order 21 & higher (to cover all theories). So, realistically, they're about 18 orders of magnitude off. Conservatively.