A Meander Trace Inserted Metamaterial Perfect Absorber for a Sub-Terahertz CMOS Image Sensor Pixel On-Chip Antenna

A unit cell of meander trace inserted metamaterial perfect absorber (MMPA) based on electric-inductive-capacitive (ELC) resonator structure for a sub-terahertz (THz) CMOS Image Sensor Pixel's antenna and that of 10 GHz version on a FR4 with the same topology were simulated, fabricated, and eval...

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Bibliographic Details
Main Authors: Otaka, Toshinori, Azhari, Afreen, Makino, Kotaro
Format: Conference Proceeding
Language:English
Subjects:
CMOS image sensors
Metamaterials
Microstrip antennas
Patch antennas
Resonant frequency
Terahertz wave imaging
Topology
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Summary:A unit cell of meander trace inserted metamaterial perfect absorber (MMPA) based on electric-inductive-capacitive (ELC) resonator structure for a sub-terahertz (THz) CMOS Image Sensor Pixel's antenna and that of 10 GHz version on a FR4 with the same topology were simulated, fabricated, and evaluated. Our MMPA was found to give 19.3 % lower resonant frequency than the conventional MMPA and 59.2 % smaller in length than the typical microstrip patch antenna while keeping a high absorption rate even with a lossy substrate, suggesting that the proposed antenna is suitable for sub-THz CMOS Image Sensors.
ISSN:2162-2035
DOI:10.1109/IRMMW-THz50927.2022.9895993