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The bowtie antenna is a topic of growing interest in recent years. In thispaper, we design, fabricate, and characterize a modified gold bowtie antennaintegrated on a transparent glass substrate. We numerically investigate theantenna characteristics, specifically its resonant frequency and enhancementfactor. We simulate the dependence of resonance frequency on bowtie geometry,and verify the simulation results through experimental investigation, byfabricating different sets of bowtie antennas on glass substrates utilizingCMOS compatible processes and measuring their resonance frequencies. Ourdesigned bowtie antenna provides a strong broadband electric field enhancementin its feed gap. The far-field radiation pattern of the bowtie antenna ismeasured, and it shows dipole-like characteristics with large beam width. Sucha broadband antenna will be useful for a myriad of applications, ranging fromwireless communications to electromagnetic wave detection.

Integrated broadband bowtie antenna on transparent substrate