Femtosecond laser-assisted fabrication of microstrip patch antenna

Young-Jun Jung; Hun-Kook Choi; Bong Ahn YuJongyeol KimCherlhee LeeShamim AhsanIk-Bu Sohn

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Femtosecond laser-assisted fabrication of microstrip patch antenna

机译：Femtosecond laser-assisted fabrication of microstrip patch antenna

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We demonstrate a technique for fabricating microstrip patch antennas using femtosecond laser patterning followed by ultraviolet beam and chemical treatment. Initially, we design the physical parameters of both single-slot and double-slot microstrip patch antennas and simulate them using high-frequency structure simulator for optimization. Simulation results exhibit a return loss of -26 dB at the resonant frequency of 22.9 gigahertz (GHz) for single-slot microstrip patch antenna and -18.3 dB at 24.03 GHz for double-slot microstrip patch antenna. The three-dimensional polar plot and far-field radiation pattern of the microstrip patch antennas confirm excellent directivity of the antennas. Furthermore, we investigate the return loss of the fabricated microstrip patch antennas. For single-slot microstrip patch antenna, experimental result shows a return loss of -21.25 dB at 22.7 GHz. In contrast, double-slot microstrip patch antenna shows a return loss of -27 dB at 24.1 GHz. In addition, we compare the performance of the double-slot microstrip patch antenna fabricated using femtosecond laser-assisted technique and photolithographic technique and find better performance in the femtosecond laser-fabricated microstrip antenna. The proposed femtosecond laser-based technique is simple and shows promises in precise fabrication of high-quality microstrip antennas.

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来源
《Optical Engineering》 |2020年第9期|096103-1-096103-14|共14页
作者
Young-Jun Jung; Hun-Kook Choi; Bong Ahn YuJongyeol KimCherlhee LeeShamim AhsanIk-Bu Sohn;
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作者单位

Gwangju Institute of Science and Technology, Advanced Photonics Research Institute, Gwangju, Republic of Korea;

Korea Atomic Energy Research Institute, Daejeon, Republic of Korea;

Daegu Gyeongbuk Institute of Science & Technology, Daegu, Republic of KoreaKhulna University, Science Engineering and Technology School, Electronics and Communication Engineering Discipline, Khulna, Bangladesh;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种英语
中图分类计量学;
关键词
femtosecond laser; ultraviolet exposure; photolithography; microstrip antenna; return loss; far-field radiation pattern;

Femtosecond laser-assisted fabrication of microstrip patch antenna

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