System for extracting a high power beam comprising air dynamic and foil windows
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United States of America Patent
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Aug 19, 1997
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N/A
app pub date -
Jul 14, 1995
filing date -
Jul 14, 1995
priority date (Note) -
Expired
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Abstract
A system for extracting a high power beam from a vacuum in which a beam is generated into atmosphere, which system is formed of: (a) a thin foil window of a material having good heat dissipation properties positioned adjacent the vacuum to permit the beam to pass therethrough; and (b) an air dynamic window between the foil window and the atmosphere. The foil window and air dynamic window are designed such that most of the pressure ratio drop from vacuum to atmosphere is across the foil window and most of the pressure drop in psi is across the air dynamic window.
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