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Laser frequencies measured using light emitted by ultrashort pulse lasers.(Japan's National Metrology Institute)(Brief Article)
- Article from:
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Japanese Nanotechnologies
- Article date:
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December 1, 2001
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Copyright informationCOPYRIGHT 2001 Newmedia International Japan. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Japan's National Metrology Institute acknowledges it's debt to the discovery made in 1999 by Professor Hansch of Germany's Max-Planck Institut fur Quantenoptik. Which demonstrated that laser frequencies could be measured using light emitted by ultrashort pulse lasers. As a result the National Metrology Institute set about a corresponding R & D project for measuring frequencies based on the German discovery, and has become the fifth institute to develop a successful technique, following two successes in Germany, and two successes in the USA.
According to a report published by the National Metrology Institute, their approach to the success, came about as follows, and owes ...
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