Matthew Dale explores how UAVs mounted with various photonics technologies are being used to explore hazardous environments
Security and Defence
Andy Extance investigates the new sources that could broaden adoption of terahertz imaging
Nick Morris surveys the national and international security markets
Twenty years after President Reagan's Strategic Defense Initiative – nicknamed 'star wars' – failed to move beyond the concept phase of development, there has been some suspicion of using lasers, or other high tech devices, for defence and security applications. However, those in the defence establishment are now taking the huge possibilities that photonics offers seriously again; from lasers mounted in airplanes for the new anti-ballistic missile system, through to optical fibre microphones for submarines.