The time resolution of streak cameras is limited by aberrations introduced by the rotating mirror. The effect of geometrical distortions of the mirror, rotating at maximum speed, may be minimized by appropriate choice of mirror material and cross section. The stresses in the rotating mirror and the distortions of its reflecting surface were calculated for various geometries of the mirror. By using a semianalytical point-match method, the same numerical scheme and the same formulas were applicable to all geometries. Sufficient data on the behavior of symmetric and partly symmetric cross sections have been obtained to permit optimization of the mirror design.
© 1966 Optical Society of America
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