Newspaper article from our research archive:

Colourless Gases Imaged by Silver Film Optical Filter.(Brief Article)

An R & D team functioning at Osaka University, has developed a filter made from two thin silver films, that permits cameras to capture the images of colourless transparent gases.

Describing the new filter, the team say that a pair of thin silver films are layered, with a 1-10 micron gap, and fitted in front of the lens of a CCD (charge-coupled device) camera. The spacing is adjustable and controlled by the application of voltage to the ...

Related newspaper, magazine, and journal articles:

See all results. Or, try our Advanced Search.

Newsweek Harper's Magazine The Washington Post Chicago Tribune Crain's Chicago Business PRNewswire Pediatric News The Nation Advertising Age The Economist (US) A FREE trial gives you access to over 60 million articles! Access over 3,500 publications with a FREE trial!