Influence of low temperature on the surface deformation of deformable mirrors
You Juncheng1, 2, 3, Guan Chunlin1, 2, †, Zhou Hong1, 2
       

(color online) Simulated surface deformation of optimized DMs in 120 mm diameter at −20 °C: (a) optimized ULE DM, PV = 0.026 μm; (b) optimized K4 DM, PV = 0.007 μm.