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Research efforts from Vienna University of Technology, in collaboration with Harvard University, have led to the development of a laser method that increases the practicality and usability of mid-infrared pulsed lasing. Infrared lasers capable of generating short and intense pulses are desirable for applications such as molecular detection, though they have historically been difficult to manufacture. The new method doesn’t require large experimental setups and can be easily miniaturized.
From left, Gottfried Strasser, Benedikt Schwarz, Johannes Hillbrand, and Nikola Opacak. Courtesy of TU Wien. The researchers first generated laser light in the mid-infrared range using tailor-made quantum cascade lasers (QCLs), manufactured in the…