• 1. Depth of Field Rules: 景深法则 | 景深规律 | 景深规则 | 景深法令

• 1.In the purpose of using non-diffracting beams to extending the depth-of-field of optical imaging system, the variation rules of the central spot of non-diffracting beams are investigated.
  为了将无衍射光应用于大景深成像系统中，分析了无衍射光束中心光斑的变化规律。
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