Office of Advanced ResearchProjects The US Department of Defense (DARPA) has launched a program to develop a multispectral night vision system that will be light and compact like a pair of traditional goggles.
Despite the fact that night vision devicesused by the military since the 60s, they are still bulky and heavy, and their field of view is three times smaller than usual. These problems make them uncomfortable and place great strain on the user's neck, exacerbated by the need for frequent head turns.
Therefore, in DARPA decide use advanced achievements in the fieldphotonics and optical materials to replace the current complex electronic system with a single flat lens. The researchers plan to achieve the conversion of photons from infrared to the visible part of the spectrum by combining planar optics with new thin materials and ways of interacting light with substances.
A one-step up-conversion process will significantly reduce the size and weight of the device, making it look more like regular glasses.
Another interesting development from DARPA is homing bullets for sniper rifles, which are able to change the flight path after a shot to ensure that the target is hit.</p>