Abstract

Little attention was paid last year to the fiftieth anniversary of the invention of the klystron, a device that made electronic signals oscillate. This brief historical report is based on a 1987 release from the National Geographic News Service.

© 1988 Optical Society of America

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Lessons

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Inspection of surface flaws by comparator microscopy

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Real-time programmable acoustooptic synthetic aperture radar processor

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Acoustooptical suppression of sideband instabilities in free electron lasers

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