Vol. 5, issue 03, article # 6
pdf Aksinin V. I., Danchenko Yu. V., Ivanova E. A., Chetkin S. A. Large spherical adaptive mirror. // Atmospheric and oceanic optics. 1992. V. 5. No. 03. P. 167-169.Copy the reference to clipboard
Abstract:
Construction of an adaptive mirror based on a thin plate lying on the elastic substrate fabricated from the highly porous metal (HPM) and deformed under the action of the forces exerted by the discrete actuators is described. Using the HPM allows one to fabricate a mirror of large diameter, which can be cooled maintaining the wide range of displacements of the working plate under the action of forces exerted by the actuators, to extend the frequency range of operation of the mirror, to enhance stability, and to improve the performance of its reflecting surface. The model for calculation of the basic characteristics of the mirror is proposed. Dimensionless parameters, characterizing the shape of the response function and the range of displacements of the working plate under the action of forces exerted by the actuator, are determined within the scope of the model.