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World’s smallest laser

AUG 19, 2009

DOI: 10.1063/PT.5.023612

Physics Today
Nature News : The world’s smallest laser, contained in a silica sphere just 44 nanometres across, has been unveiled. At about 10 times smaller than the wavelength of light, however, this is no ordinary laser, it is the first ever ‘spaser’
© 2009 American Institute of Physics
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