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Solid-state terahertz lasers warm up

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Terahertz rays have proved hard to generate cost-effectively, as solid-state lasers so far have been unable to produce terahertz rays without supercooling. Some physicists even have speculated that frequency and temperature are linked by some fundamental physical law. But a team of researchers at MIT and at Sandia National Laboratories in Albuquerque, N.M., have reported a solid-state terahertz laser that operates at nearly twice the temperature that such a fundamental law would have allowed. Although the reported temperature is still too low to enable airport scanners or bomb-detecting...Read full article

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    Published: February 2011
    Research & TechnologyTech PulseLasers

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