Modal testing and analysis of optical platform

Zhang Wei, Cui Ding, Cui Yunjun, et al. Modal testing and analysis of optical platformJ. High Power Laser and Partical Beams, 2013, 25(S0): 71-76.

Citation:

Zhang Wei, Cui Ding, Cui Yunjun, et al. Modal testing and analysis of optical platformJ. High Power Laser and Partical Beams, 2013, 25(S0): 71-76.

Citation:

Zhang Wei, Cui Ding, Cui Yunjun, et al. Modal testing and analysis of optical platformJ. High Power Laser and Partical Beams, 2013, 25(S0): 71-76.

Abstract

The free modes of an optical platform were analyzed with finite element method, and then the modal testing was accomplished in actual operating conditions. The first order frequencies in the vertical and horizontal directions of the optical platform were obtained by identifying the modal parameters of the platform structure, which were 126.77 and 361.42 Hz respectively. The stiffness of the platform was verified to meet the requirements for the optical experiments.

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