A CW laser stabilized to a low expansion ceramic cavity with a 7 mHz/s frequency drift

We developed a CW laser stabilized to a low expansion ceramic cavity with a frequency drift 7 mHz/s (δf/f ∼ 10 −10 /year), which is lower than those achieved with ultra-low expansion glass cavities. OCIS codes: (140.4780) Optical resonators; (140.3425) Laser stabilization; (120.2230) Fabry-Perot;