Development of a 3D Printed Dual-Band mmWave and THz Near-Field Microscope for Skin Cancer Detection

Material contrasts of millimeter and Terahertz waves can reveal information not accessible to other parts of the electromagnetic spectrum, such as the discrimination between healthy and cancerous tissue. The longer wavelengths, as compared to optical frequencies, limit the resolution for many applic...

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Bibliographic Details
Published in:	2023 48th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) pp. 1 - 2
Main Authors:	Grzeslo, Marcel, Tebart, Jonas, Poess, Stefan, Iwamatsu, Shuya, Mohammad, Israa, Stohr, Andreas, Klein, Andreas K.
Format:	Conference Proceeding
Language:	English
Published:	IEEE 17-09-2023
Subjects:	Dual band Microscopy Optical microscopy Optical scattering Permittivity measurement Scattering Three-dimensional displays
Online Access:	Get full text
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Summary:	Material contrasts of millimeter and Terahertz waves can reveal information not accessible to other parts of the electromagnetic spectrum, such as the discrimination between healthy and cancerous tissue. The longer wavelengths, as compared to optical frequencies, limit the resolution for many applications, which can be circumvented by using near-field microscopy. Here we present a dual-band scattering near-field microscope operating at 50-75 GHz (WR15) and 220-330 GHz (WR3), as these are two regions known to show a contrast between cancerous and healthy tissue. The microscope is based on a 3D printed metallic measurement head, with a compact and sturdy design, as the design is intended for in-vivo measurement and hence requires a certain degree of mobility. Here we present the development process, resolution and permittivity calibration and measurements of ex-vivo skin cancer samples.
ISSN:	2162-2035
DOI:	10.1109/IRMMW-THz57677.2023.10299034