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| The terahertz QC laser, initially developed by Longwave Photonics and Qing Hu's MIT research group, generates a high-powered beam in a portion of the spectrum where traditional lasers struggle to emit. The tiny size of the device and the heterodyne spectrometer based around it suggest that the technology could be used in future CubeSat and handheld applications. Photo: NASA/Michael Giunto. |
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