title: High-finesse measurements at low temperatures.
abstract: High-reflectivity supermirrors were used to produce a Fabry-Perot cavity that operated at cryogenic temperatures. The best finesse below 80 K was found to be 19,000 and remained constant down to 4.2 K.
authors: J P
authors: JP
authors: Richard
authors: J J
authors: JJ
authors: Hamilton