A Design of Flattop-beam Shaper at Millimeter Wavelengths |
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Authors: | Z X Wang and W B Dou |
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Institution: | (1) State Key Lab of Millimeter Waves, Southeast University, Nanjing, 210096, People’s Republic of China |
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Abstract: | Beam shaping technique for generating flattop beam has long been used in optics, and there are many methods to design flattop-beam
shapers in optics. Flattop beam is also important in some applications at millimeter wavelengths such as in the quasi-optical
power divider, however, there are few design method for the flattop-beam shaper used at millimeter wave frequencies and the
design method of optics are not suitable to the beam shaper at millimeter wave frequencies, so a design method for the flattop-beam
shaper at millimeter wave frequencies is presented in this paper. Several flattop-beam shapers in the form of diffractive
element have been designed and simulation results are presented. |
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Keywords: | Millimeter wave Flattop-beam Diffractive element Gaussian beam |
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