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Sensors/MEMS  

Beyond supercool: room-temperature THz lasers

Posted: 16 Jul 2008  Print Version  Bookmark and Share Subscribe

Keywords: laser  temperature  optical  devices 

[Summary of tips] The world’s first room-temperature THz laser harnesses the optical equivalent of heterodyning to bridge the THz gap, the region between microwave wavelengths (in cm) and optical wavelengths (in µm) in which most current semiconductor lasers fail to operate.Today, the only semiconductor lasers that operate at THz frequenci......
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