26 May '16, 8pm

Infrared Technology on the Cheap With Nanostructured Gratings

Infrared Technology on the Cheap With Nanostructured Gratings

Just weeks after we were presented with the prospect of three-color infrared imaging , researchers at the University of Sydney in Australia have potentially turned the field of infrared technology on its ear with a new approach that could make infrared technology extremely inexpensive to produce . In research described in the journal Optica , the Australian scientists have demonstrated you don’t need exotic materials like metamaterials to achieve total light absorption, which means zero light is either reflected or transmitted. Instead they turned to conventional materials that are compatible with optoelectronic applications such as photodetectors and optical modulators and etched 41-nanometer-thick antimony sulfide grating structures on them. Total light absorption (TLA) is key for devices such as infrared night-vision goggles and has been both a holy grail and a challeng...

Full article: http://spectrum.ieee.org/nanoclast/semiconductors/optoele...

Tweets

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