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This work demonstrates the use of structured-glass waveguide (SGW) technology in a stackable multi-layer configuration in order to exhibit the versatile nature of structured-glass in high-frequency and high-performance applications. A novel multi-layer corrugated elliptic horn antenna composed of nine wafer layers is designed for operation in the D-band frequency range and exhibits the use of a circular waveguide feed line. In this manner, the structured-glass waveguide antenna design is introduced to the literature for the first time and demonstrated with the highest operating frequency to date for structured-glass based waveguide components. Detailed build profiles are provided with reference to the structured-glass fabrication method. Two of the proposed antenna components are fabricated in order to validate the gain measurement. The measured results are shown to achieve highly accurate S-parameter results and beam patterns throughout the selected frequency range.
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Bartlett et al. (2024) studied this question.
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