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Klystron Tube
William Hansen and brothers Russell and Sigurd
Varian invented the klystron tube, a high-frequency amplifier for
generating microwaves. It revolutionized high-energy physics and
microwave research and led to the airborne radar used in aircraft
today. The klystron also has been used in satellite communications,
airplane and missile guidance systems, and telephone and television
transmission.
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Russell Varian, left, and Sigurd Varian
appear in this 1951 photograph with a high-powered klystron.
In the palm of his hand, Russell Varian holds a smaller type
of klystron used for radar, aircraft instrument landing and
microwave communications.
Photo: Stanford News Service archives
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Stanford researchers
in 1939 examine their invention, a klystron. Standing from left
to right are Sigurd Varian, physicists David Webster and William
Hansen, and in the front are Russell Varian, left, also a physicist,
and John Woodyard, an engineering graduate student. Photo: Stanford
News Service archives
Related Information:
The
history of Stanford's physics department
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