New tools developed by Shanghai university help protect import expo

Two terahertz-wavelength spectroscopy-based scanners are being used as part of efforts to inspect the diverse array of goods flowing into Shanghai for the China International Import Expo, thepaper.cn. reports.

The terahertz-wavelength spectroscopy-based envelope scanner developed by scientists at the University of Shanghai for Science and Technology. The device can test whether there are biological substances or drugs inside a sealed envelope. [File photo: University of Shanghai for Science and Technology]

The technology, which was developed by scientists from the University of Shanghai for Science and Technology, allows for rapid, non-destructive and contactless inspections of objects. 

The terahertz-wavelength spectroscopy-based liquids scanner developed by scientists at the University of Shanghai for Science and Technology. The device can test the liquid inside a sealed container within 0.1 second. [File photo: University of Shanghai for Science and Technology]

One of the scanners is designed to test whether the liquid inside a sealed container is safe or not within 0.1 second. The other scanner can inspect containers like envelopes to test whether they contain dangerous substances like biological materials or drugs.