Physics 01
How Does LIGO Detect Gravitational Waves? The Real Numbers
LIGO times laser light in two 4 km arms. GW150914 shifted their difference by 4×10⁻¹⁸ m, 1/420 of a proton. Optics, chirp and the stretched-light puzzle.
LIGO times laser light in two 4 km arms. GW150914 shifted their difference by 4×10⁻¹⁸ m, 1/420 of a proton. Optics, chirp and the stretched-light puzzle.