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Lasers

Lasers

Terahertz laser leaves the lab

19 Nov 2020 Isabelle Dumé
Terahertz Laser
A scanning electron microscope (SEM) image of a terahertz quantum cascade laser (QCL) device. Credits: Qing Hu and colleagues
A new type of high-power quantum cascade laser that works without bulky cooling equipment could ushe

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Isabelle Dumé is a contributing editor to Physics World
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