Invention promises airport security screening without queues

phys.org | 12/13/2018 | Staff
ajoy26 (Posted by) Level 3
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A research team led by The Australian National University (ANU) has invented a device that could be developed into ultra-sensitive cameras for security screening which would not require people to queue at airports.

Other applications could include smaller and safer sensors for driverless vehicles.

Researcher - Dr - Mingkai - Liu - Research

Lead researcher Dr. Mingkai Liu said the research had already led to a proof-of-concept prototype device and provisional patent.

The device is made with metasurfaces, which are ultra-compact complex structures that can control the direction of electromagnetic waves to perform highly advanced sensing functions.

Device - Environment - Sensors - Towards - Directions

"This device can sense the entire environment surrounding it with unprecedented precision—previously, multiple fixed sensors pointing towards different directions would be required to achieve this," said Dr. Liu from the Nonlinear Physics Centre at the ANU Research School of Physics and Engineering.

Dr. Liu said the concept could benefit the development of super-sensitive cameras for security systems at airports.

Future - Cameras - Devices - Chemicals - People

"These future cameras could identify hazardous devices or dangerous chemicals in people's carry-on baggage when they walk through an airport, without needing them to queue up and go through the various procedures that are necessary now," he said.

"Unlike conventional cameras used in CCTV, this type of camera cannot recognise people's faces."

Dr - Liu - Concept - Foundation

Dr. Liu said the concept could provide a new foundation for next-generation electromagnetic...
(Excerpt) Read more at: phys.org
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