Patent ID: 8794773

Claim:
A deformable mirror ( 1 ) comprising a deformable membrane ( 2 ) with a reflective outer face ( 3 ) and an opposite face ( 4 ), a rigid support plate ( 7 ), and at least one force actuator ( 5 , 6 ), each actuator ( 5 , 6 ) comprising at least two elements ( 5 , 6 ) suitable for interacting with each other remotely so as to generate a force in a direction that is substantially perpendicular to the surface of the initially non-deformed membrane ( 2 ), and suitable for being displaced relative to each other in the direction of said generated force so as to cause said membrane ( 2 ) to be deformed locally, one of the two elements ( 5 , 6 ) being incorporated into the support plate ( 7 ) and the other element being coupled to said membrane ( 2 ), one of said two elements ( 5 , 6 ) being suitable for controlling the intensity of said generated force, said deformable mirror ( 1 ) being characterized in that it further comprises reference means ( 8 ) coupled to said membrane ( 2 ) via a plurality of links, each of which comprises at least one rigid link means ( 10 ) and at least one flexible link means ( 11 ), each rigid link means ( 10 ) being connected to said membrane ( 2 ), each flexible link means ( 11 ) being connected at least in part to the reference means ( 8 ), and said reference means ( 8 ) being common to said plurality of links ( 10 , 11 ), wherein the reference means ( 8 ) comprises an intermediate support plate ( 8 ) disposed between the membrane ( 2 ) and the support plate ( 7 ).