Skinny lens makes cheap surveillance camera for home use
Wednesday, May 21, 2014 - 10:10
in Physics & Chemistry
Dark alleys might not feel so dangerous someday thanks to a new ultra-thin type of lens, which could pave the way to making smaller and cheaper heat-sensing imagers. A team of French researchers has found a way to make a thermal infrared (IR) camera with a lens made of silicon, a much less expensive material than is commonly used today.