Determination of Water Content in Diapers with TeraSense THz Imaging System

 

The experiment setup includes the following:

The task of this experiment was to determine appearance of water in a dry diaper. Water was easily determined with the TeraSense sub-THz imaging system (described above). Liquid concentration gradient is observed at the edges of the wet spot.

Although, attenuation of water is very strong it is still possible to determine concentration differences. To measure the concentration differences of water within the wet spot you will need to increase the contrast in the settings of TeraSense Viewer® Software and decrease time resolution.

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