Influence of low temperature on the surface deformation of deformable mirrors

You Juncheng^{1, 2, 3}, Guan Chunlin^{1, 2, †}, Zhou Hong^{1, 2}

(color online) Simulated surface deformation of ULE DM in 120 mm diameter: (a) 10 °C PV = 0.142 μm; (b) 0 °C PV = 0.272 μm; (c) −10 °C PV = 0.456 μm; and (d) −20 °C PV = 0.488 μm.