Figure: THz near-field image of a coffee leaf recorded in the TeraCube M2 scanner.

The TeraSpike near-field microprobe series has been applied in the past for the investigation of organic tissue samples. It is known that the THz frequency range is very usefull for biological and medical applications because of its high sensitivity to water-contents and its spectral sensitivity to selective biomolecule absorbtion lines. Thanks to the sub-wavelength spatial resolution provided by our microprobe sensors even cellular details have been made visible in different studies. 

Now a recent work done at the Jilin University in China in collaboration with the Chinese Academy of Science is taking this approach a step further by investigating also in-situ THz near-field imaging at single plant cells for the first time using a TeraSpike probe.