Publication: Diseño robusto de filtros paso-banda de banda W en tecnología Gap Waveguide impresos en 3D
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Universidad de Extremadura
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A 3D-printed bandpass filter for the W-band is proposed in this work. The use of the higher-order TE10n modes in groove gap waveguide (GGW) technology is analyzed and shown to ease the manufacturing requirements. The design example is a 5th-order Chebyshev filter at 94 GHz, which is easily fabricated by stereolithographic (SLA) 3D-printing (an additive manufacturing technique). The filter is silver coated once it is printed. Excellent measured performance is reported. The combination of higher-order modes, GGW technology and SLA 3D-printing seems to be a promising way of fabricating filters in W-band for high-capacity high data-rate communication systems.
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