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Interferometer Yields Large Gratings

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Perry J. Greenbaum

A European research team has demonstrated a low-cost solution to the manufacture of large diffraction gratings using a variant of an interferometer developed more than a decade ago. The work promises to yield better gratings for chirped pulse amplification lasers. The team, led by Ian N. Ross of Rutherford Appleton Laboratory's central laser facility in Didcot, UK, has developed an interferometer that produces high-quality gratings using low-coherence laser light sources and small optical lenses. The system is based on an interferometer proposed in 1990 by Robert R. Hershey and Emmett N....Read full article

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    Published: March 2002
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