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PI Physik Instrumente - Revolution In Photonics Align ROSLB 3/24

Nd:GdVO4 Laser Generates Deep-Blue Light at 440 nm

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Trick is making the laser operate on a true three-level transition.

Breck Hitz

Many “quasi three level” neodymium lasers, in which the lasing transition terminates on an upper sublevel of the ground state, have been operated in the past 40 years. But researchers at Centre Scientifique d’Orsay in France have demonstrated what they believe is the first true three-level neodymium laser and have frequency-doubled it to generate deep-blue light at 440 nm. There are multiple applications for such rugged and efficient deep-blue lasers in fields such as displays, medicine and spectroscopy. A quasi-three-level laser terminates on a level that has significant thermal...Read full article

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    Published: November 2006
    Glossary
    photonics
    The technology of generating and harnessing light and other forms of radiant energy whose quantum unit is the photon. The science includes light emission, transmission, deflection, amplification and detection by optical components and instruments, lasers and other light sources, fiber optics, electro-optical instrumentation, related hardware and electronics, and sophisticated systems. The range of applications of photonics extends from energy generation to detection to communications and...
    Basic ScienceConsumerlaser crystalneodymium lasersphotonicsResearch & Technologyspectroscopy

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