Pinhead laser

 作者:司寇剧     |      日期:2019-03-07 05:13:00
A LASER small enough to fit on a pinhead could be used to analyse chemicals in a lab-on-a-chip. The “nanolaser” emits ultraviolet light so could also be used for optical computing and data storage devices. To make the laser, Peidong Yang at the University of California, Berkeley, and colleagues at the Lawrence Berkeley National Laboratory grew zinc oxide crystals on a sapphire sheet,