fraunhofer approximation 中文意思是什麼
fraunhofer approximation
解釋
夫瑯和費近似- fraunhofer : 夫瑯和費
- approximation : n. 1. 接近；近似。2. 【數學】近似值。3. 概算，略計。
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Under the weakly guiding approximation, we derive the electric - field distribution of the lp01 mode in the hollow fiber. the far - and near - field distribution of the lp01 - mode output beam in free space is calculated numerically from fraunhofer and fressnel diffraction theory
在弱波導近似下導出了中空光纖中lp _ （ 01 ）模的電場分佈，數值推算了lp _ （ 01 ）模輸出光束的遠場和近場分佈。
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