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) Discrete actuators sample DM: (a) the schematic view of DM; (b) the hexagonal arrangement of actuators; (c) abricated DM.