A transportable interrogation laser system with an instability of $\mathrm{mod}{\sigma }_{\mathrm{y}}=3\times 10^{-16}$

Sebastian Häfner, Sofia Herbers, Stefan Vogt +2

We present an interrogation laser system for a transportable strontium lattice clock operating at 698 nm, which is based on an ultra-low-expansion glass reference cavity. Transport…