Developed at A*STAR, the first electrically pumped random lasers for mid-infrared radiation are set to enable applications in sensing and imaging. Randomly arranged items usually have poor optical properties. The rough -- or random -- surface of a frosted-glass window, for example, obscures the view of an object. The optical industry therefore expends considerable effort reducing any surface irregularities in optical devices to avoid the uncontrollable scattering of light characteristic of random structures.
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