Interference filters are frequently employed in transmissive configurations where the light passes through the filter to produce a specific effect (band-pass, long-pass, short-pass, among others).

Aston Microphones has set out to redefine the humble reflection filter with the release of the new Aston Halo. Concerned with what it believes to be a 'market awash with an ageing design', the Brit ...

LAS VEGAS—Integrated webcam covers have become ubiquitous on laptops as a way to guard against a snoop hacking the camera and spying on you. But privacy filters integrated into a laptop's display to ...