In this work, we demonstrate a 3D printed photonic crystal (PhC) chip including a slot resonator and a dielectric rod antenna for remote biosensing applications. The slot resonator with a high Q factor improves sensitivity and facilitates extracting resonance information from the reflected clutter signals due to the environment. The sensor is fabricated using 3D ceramic printing technique providing high resolution and fast prototyping. The fabricated sensor can detect a thin protein film in a wireless experimental setup.
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Zhao et al. (2024) studied this question.
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