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The authors report a net cooling by about 40 kelvin in a semiconductor using group-II–VI cadmium sulphide nanoribbons, or nanobelts, starting from 290 kelvin. They use a pump laser with a wavelength of 514 nanometres, and obtain an estimated cooling efficiency of about 1.3 per cent and an estimated cooling power of 180 microwatts
Details
- Original title: Laser cooling of a semiconductor by 40 Kelvin
- Record ID : 30007787
- Languages: English
- Source: Nature - vol. 493 - n. 7433
- Publication date: 2013/01/24
- DOI: http://dx.doi.org/10.1038/nature11721
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