Building A Bright Future For Lasers

Invisible to the human eye, terahertz electromagnetic waves can “see through” everything from fog and clouds to wood and masonry – an attribute that holds great promise for astrophysics research, detecting concealed explosives and many other applications. Terahertz lasers can produce photons with frequencies of trillions of cycles per second – energies between those of infrared and microwave photons.

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