| Toshiba Develops Blue-Violet Laser for Future Optical
2 October, 2003
World's Best Low Noise Performance
TOKYO -- Toshiba Corporation today announced development of gallium-nitride based blue-violet lasers offering highest level performance ever achieved. The new laser offers a high optical output of 200-milliwatts, while achieving the lowest noise characteristics ever attained. The laser performance meets the requirements for blue violet laser based optical disc systems that will emerge in the near future, including the ability to support dual layer and high-speed recording systems requiring a powerful laser.
The blue-violet semiconductor laser is an essential component for the next generation optical disc players and drives after current red laser based DVDs. These lasers must achieve high optical output power, low noise performance and a stable beam profile if they are to read and write the highly dense data packed onto next-generation optical discs. This is particularly true in cases of dual-layer-disc recording and high-speed recording, both of which require a more powerful laser source than single-layer, standard-speed recording. Toshiba's newly developed blue-violet laser satisfies all specifications necessary for next-generation higher density optical disc systems.
The new blue violet laser will be exhibited at CEATEC JAPAN 2003 to be held at Makuhari Messe, Chiba prefecture, from October 7-11.
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