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Defense & Security

Seeing through walls with wireless signals
Radio frequency reflections can be used to capture a human figure through occlusions.
A miniature wireless optical remote chemical sensing network improves the accuracy of mid-wave and long-wave IR chemical detection.
8 February 2016
Fourth-generation optics involving the spatial modulation of the anisotropy axis in the plane of thin polymer films opens up unprecedented opportunities for imaging and optical communication.
5 February 2016
A compact system for 2D and 3D sensing has been built using semiconductor and microelectromechanical systems components.
15 January 2016
Current-voltage measurements of atomic-scale variations in resonant tunneling diodes can be used to provide secure fingerprints.
5 January 2016
Computational intelligence enables forward-looking explosive hazard detection at all stages in single- and multi-sensor signal processing.
24 December 2015
Polarization switching could boost guide-star brightness
Alternating laser between right and left circular polarization will generate brighter beacons for adaptive optics, researchers say.
3 February 2016
Space data network deploys first laser terminal
First dedicated 'node' of the €500 million optical European Data Relay System launched from Kazakhstan.
2 February 2016
Photonics4All app now available for download
Educational and informative app and game from European Commission designed to promote photonics technologies.
21 January 2016
$54M for Lockheed Apache helicopter upgrade
Defense contractor to deliver 35 kits to the US and Qatar for better night vision and longer-range target acquisition.
8 January 2016
Optical fabrication, coating and integration: step by step

Sensors Unlimited