Phys.org March 26, 2018 A team of researchers in the US (University of Central Florida, industry partner) present a new platform for mid-infrared dual-comb Fourier-transform spectroscopy based on a pair of ultra-broadband subharmonic optical parametric oscillators pumped by two phase-locked thulium-fibre combs. The system provides fast, moving-parts-free, simultaneous acquisition of 350,000 spectral data points and parallel detection of 22 trace molecular species in a gas mixture. It can detect at concentrations of one part per billion. The research could open the door for developing non-invasive technology, including sensors for airborne agents and traces of life in space… read more. TECHNICAL […]
Tag Archives: WMD detection
DARPA Seeks to Expand Real-Time Radiological Threat Detection to Include Other Dangers
DARPA News February 20, 2018 DARPA announced its SIGMA+ program, an expansion of the existing SIGMA program. The program calls for the development of highly sensitive detectors and advanced intelligence analytics to detect minute traces of various substances related to WMD threats. SIGMA+ will use a common network infrastructure and mobile sensing strategy. The detection network would be scalable to cover a major metropolitan city and its surrounding region. The program is structured around two Phases. The first phase focuses on developing novel sensors for chemicals, explosives, and biological agents, the second phase focuses on network development, analytics, and integration. […]