news    views    talk    learn    |    about    contribute     republish     crowdfunding     archives     calls/events

Thin silicon lenses dramatically reduce cost of thermal imaging | Gizmag

curated by | May 24, 2014

“Silicon normally doesn’t work for such lenses, as the material tends to absorb too much light, allowing little to get through to the camera’s image sensor. A team of French researchers, however, discovered that this isn’t a problem if the lens is very thin. They proceeded to laser-etch a Fresnel-style silicon lens, in which light is focused using concentric rings of material.”

See on


Other articles on similar topics:

comments powered by Disqus

September 21, 2014

Are you planning to crowdfund your robot startup?

Need help spreading the word?

Join the Robohub crowdfunding page and increase the visibility of your campaign