Microwave Application of High-Tc Superconductor; High-Tc Superconducting Microstrip Patch Antennas
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The main purpose of this work is the experimental verification of increased performance of the microwave passive device through the use of the High-Tc Superconductors (HTS) instead of normal conductors, such as gold. This paper demonstrates how High-Tc Superconductor technology can be utilized to commercial microwave engineering for consumer applications. In any communication system, efficiency and gain are significant factors. The fabrication technique using HTS improves the efficiency and gain of communication system and can be advantageous, particularly in the rapidly growing commercial communication industry. To illustrate this, we have designed and fabricated the superconducting microstrip patch antenna on MgO substrate using YBa2Cu3O7-x (YBCO) superconducting thin film. And then, this YBCO superconducting antenna was compared with an identical antenna patterned with evaporated gold. Various characteristic differences between the HTS antenna and its gold counterpart are presented. The measured results show that efficiency enhancement is achieved using HTS when compared with a conventional gold structure.
Abstract
The main purpose of this work is the experimental verification of increased performance of the microwave passive device through the use of the High-Tc Superconductors (HTS) instead of normal conductors, such as gold. This paper demonstrates how High-Tc Superconductor technology can be utilized to commercial microwave engineering for consumer applications. In any communication system, efficiency and gain are significant factors. The fabrication technique using HTS improves the efficiency and gain of communication system and can be advantageous, particularly in the rapidly growing commercial communication industry. To illustrate this, we have designed and fabricated the superconducting microstrip patch antenna on MgO substrate using YBa2Cu3O7-x (YBCO) superconducting thin film. And then, this YBCO superconducting antenna was compared with an identical antenna patterned with evaporated gold. Various characteristic differences between the HTS antenna and its gold counterpart are presented. The measured results show that efficiency enhancement is achieved using HTS when compared with a conventional gold structure.