A laser frequency comb that enables radial velocity measurements with a precision of 1 cm s${}^{-1}$

Chih-Hao Li, Andrew J. Benedick, Peter Fendel +6

Searches for extrasolar planets using the periodic Doppler shift of stellar spectral lines have recently achieved a precision of 60 cm/s (ref 1), which is sufficient to find a 5-Ea…