Cordierite-based resonators with ULE mirrors reach effective CTE near zero over tens of Kelvin via mirror deflection compensating spacer expansion.
Linear thermal expansion measurements on silicon from 6 to 340 K,
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Cordierite-based optical resonators with extremely low thermal expansion
Cordierite-based resonators with ULE mirrors reach effective CTE near zero over tens of Kelvin via mirror deflection compensating spacer expansion.