The centroid position of the focal spot directly depending on intensity distribution and phase slope distribution of near field is derived, and its physical meaning is described.

　
英 美
  • 進(jìn)一步推導了焦斑質(zhì)心位置對光束近場(chǎng)強度分布和相位斜率分布的依賴(lài)關(guān)系式，并對該式清晰的物理意義進(jìn)行了闡述。
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