News tagged with light emitting

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Fine-tuned: A wholly new approach to tuning a laser's frequency

Physics / Optics & Photonics

Dec 04, 2009 | 4.4 / 5 (8) | 2

(PhysOrg.com) -- For more than 30 years, scientists have been trying to harness the power of terahertz radiation. Tucked between microwaves and infrared rays on the electromagnetic spectrum, terahertz rays ...