ZHANG Bu-qing, MA Jian-she, PAN Long-fa, et al. Improvement of high frequency dynamic performance of actuator in optical pickup by finite element and sensitivity methods[J]. Optics and precision engineering, 2007, 15(7): 1002-1008.
ZHANG Bu-qing, MA Jian-she, PAN Long-fa, et al. Improvement of high frequency dynamic performance of actuator in optical pickup by finite element and sensitivity methods[J]. Optics and precision engineering, 2007, 15(7): 1002-1008.DOI:
After analysis on the high frequency resonance mechanism of a actuator in optical pickup
the effect of parameters on the high frequency dynamic performance are studied by Finite Element Emulation(FEE). The FEE together with the sensitivity analysis method are used to analyze structure parameter’s contributions to the second order resonance frequency
and then the structure is optimized. The result shows that the second resonance frequencies in the focusing and tracking directions are increased by 6.6% and 17.5% respectively
thus the dynamic performance of the lens actuator in high frequency is improved obviously. The method can also be used in other optimum design fields.