NASA turned to a company called Picometrix which released the first commercial terahertz imaging system, the T-Ray 2000, named after the year of its release. NASA asked the company to adapt the technology for its ends.http://www.gizmag.com/infrastructs-internet-of-things/28438/
Microsoft Researchers Develop 3D Passive ID Tags
The InfraStruct system, currently in prototype, would use terahertz signals to identify an object via unique 3D shapes or hollowed sections built into its structure.
The researchers employed several off-the-shelf THz emitter-receivers, including Picometrix's T-Ray 4000 model. The team has also developed the software that analyzes the transmissions reflected from a scan of each item, and then links the results to a specific object.
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