Comparison of Diffraction Fields of Lens by Two Calculation Formulas |
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| Authors: | W B Dou Z L Sun |
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| Affiliation: | 1. State Key Laboratory of Millimeter Waves, Department of Radio Engineering, Southeast University, Nanjing, 210096, People's Republic of China
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| Abstract: | Diffraction fields in the focal space of some lens is investigated by using ray tracing and Stratton-Chu formulas. Two formulas are used. One is surface integration formula, and for another a line integration is added. Comparison of two calculation results is given. It is shown that for hyperbolic lens two calculations results are same and for extended hemi-ellipsoidal lens there are a lilt difference between them. |
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