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Spire wins terahertz imaging contract

Spire Corporation is awarded $750,000 to advance the detection of explosives using terahertz radiation from quantum cascade laser sources.

DARPA has awarded US-based Spire Corporation a $750,000 Phase II small business innovation research contract to develop a terahertz radiation system.

The small and portable system, which will contain Spire s quantum cascade lasers (QCLs), could enable detection of hidden explosives.

Terahertz radiation is well-suited to detecting hidden weapons and explosives because it can penetrate most container materials. And unlike the effects of X-rays, the radiation is though to pose no threat to health of humans or animals.

Spire will collaborate with the University of Illinois at Urbana-Champaign on the design of the GaAs-based QCLs, but will conduct epitaxial growth and device fabrication in-house.

"We are pleased to be developing terahertz imaging technology to advance defense against terrorism. There is a lot of interest in terahertz radiation for this as well as other applications, including medical instruments," said Roger Little, Spire s CEO.

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