Cokin, a company founded by French photographer Jean Coquin in 1978, is famous for inventing the square filter system for cameras. With such a long-standing pedigree in the filter space and kicking ...

Researchers have developed a tiny, electrically tunable infrared filter that could help shrink bulky thermal sensing systems ...

"The most realistic applications are noncontact diagnostics and advanced thermal imaging," the team noted. "Different tissues ...