Radiant energy – Electrically neutral molecular or atomic beam devices and...
Reexamination Certificate
2006-02-01
2008-10-21
Nguyen, Kiet T (Department: 2881)
Radiant energy
Electrically neutral molecular or atomic beam devices and...
C250S505100, C376S458000
Reexamination Certificate
active
07439492
ABSTRACT:
This invention extends the Kirkpatrick-Baez (KB) mirror focusing geometry to allow nondispersive focusing of neutrons with a convergence on a sample much larger than is possible with existing KB optical schemes by establishing an array of at least three mirrors and focusing neutrons by appropriate multiple deflections via the array. The method may be utilized with supermirrors, multilayer mirrors, or total external reflection mirrors. Because high-energy x-rays behave like neutrons in their absorption and reflectivity rates, this method may be used with x-rays as well as neutrons.
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T. Osakabe, et. al Development of a thermal neutron focusing device using neutron supermirrors, 2005 American Institute of Physics, pp. 1-5.
Judy Pang, High-Performance Kirkpatrick-Baez Super Mirrors for Neutron Milli- and Micro-Beams, Metals and Ceramics Division, ORNL, NESE, Vienna 2005, 26 pages.
Paul Kirkpatrick, et. al, Formation of Optical Images by X-Rays, Stanford University, Stanford, California, Mar. 12, 1948, pp. 766-774.
Gottlieb Paul A.
Nguyen Kiet T
Roberts Esther Lois
Schneider Emily G.
The United States of America as represented by the United States
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