Bubbles and clots optical sensor prototype: A system for use in hemodialysis

Alves, Josué; Carvalho, Denise Maria Albuquerque; Oliveira, Sérgio Campello; Cassia-Moura, R.

doi:10.1109/imoc.2015.7369221

Cited by 5 publications

(1 citation statement)

References 3 publications

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“…Finally, the microwave electromagnetic field distribution was calculated by a custom program from the measured intensity distribution images. Details on the image processing and analysis are presented in previous papers [12], [18], [20], [21].…”

Section: Methodsmentioning

confidence: 99%

Detection of Air Bubbles and Liquid Droplet in a Dielectric Tube by Thermo-Elastic Optical Indicator Microscopy

Lee

2022

IEEE Access

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A new method based on microwave near-field imaging for the detection of water droplets and air bubbles in a dielectric tube is presented. The present method is based on the optical visualization of the microwave near-field distribution excited around a dielectric tube containing water droplets and air bubbles. In this study, the microwave near-field distribution of a dielectric tube containing air bubbles and water droplets of various sizes was visualized analyzed through the thermo-elastic optical indicator microscope. From the experimental results, it was shown that the present method can measure size and distribution of millimeter-scale bubbles and water droplets in an optically opaque dielectric tube (diameter: 1.0 mm) in a non-contact, non-invasive, and non-destructive manner.INDEX TERMS Microwave imaging, optical inspection technology.

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