Abstract

The purpose of optomechanical components is to anchor optical elements (such as light sources, lenses, mirrors, etc.) in space so that the optical paths would be unperturbed by environmental impacts, first of all by vibration. Dynamic alignment of components is a main design optimization criterion for the optomechanical systems. An optical table or breadboard is often used as a common base for the whole optomechanical assembly. It can be sufficiently isolated from the floor vibration, but its own flexural resonance vibrations may still cause misalignments. The paper estimates various ways of vibration damping of optical tables, including new methods of passive damping combined with motion transformation, as well as active damping. Optical rods and posts offset optical elements from the table. These components have their own resonance properties. The paper presents analytical estimates and optimization methods for introducing damping materials in the optical posts. Experimental results comparing dynamic properties of damped and non-damped structures will be presented.

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