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Compact Nd:YAG Laser Generates 1.25 W of Blue Light

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Composite YAG rod enables fundamental-power scaling.

Breck Hitz

Compact blue lasers have many potential applications, including optical displays and data storage, medical diagnostics and underwater communication. Recently, researchers at Tianjin University in China demonstrated a small, internally frequency-doubled Nd:YAG laser that generates 1.25 W at 473 nm. They believe that the 15.2-W, fundamental-wavelength output of their laser at 946 nm sets a record for diode-pumped Nd:YAG, and that several straightforward improvements could result in the conversion of significantly more of this output to the blue second harmonic. The laser is based on the...Read full article

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    Published: August 2006
    Basic Scienceblue lasersConsumerdata storagediode lasersoptical displaysResearch & TechnologyLasers

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