[in Chinese], [in Chinese], [in Chinese]. Research on the Focal Shift in Flying Optics[J]. Chinese Journal of Lasers, 2004, 31(1): 62
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Base on the propagation theory of focal shift, the analytical expression of focal shift and relative focal shift were deduced. The effects of flying distance, Rayleigh range and the focal length of focusing lens (or mirror) on focal shift were also discussed.