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Fine-tuned laser

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A wholly new approach to tuning a laser’s frequency brings us a step closer to airport scanners that can distinguish aspirin from explosives. In a paper appearing in the most recent issue of Nature Photonics, Qing Hu of RLE and his colleagues describe the first practical method for tuning terahertz quantum cascade lasers. <<more>>

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Fine-tuned laser

Professor Qing Hu

RLE Millimeter-wave and Terahertz Devices Group