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Design and Development of Tapered Ceramic radome with Metal Tip

Application of slip cast fused silica ceramic radomes for missile applications is well known. But it suffers from certain limitations in terms of high temperature and rain erosion capabilities. This paper investigates the use of special metal tip to overcome the limitations without significant detrimental effect on radome electromagnetic performance. The performance is analysed with 3D EM simulations. The radome is fabricated with special process and performance is verified with measured results. The radome showed very low insertion loss and very low bore-sight error and cross-bore-sight error.