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- W179194328 abstract "Design and fabrication of an x-ray lens assembly for focusing x-ray beams is described. The assembly consists of a number of precisely stacked and aligned aluminum parts. These parts are cut from a long extruded section having sixteen parabolic cavities along its length. The thickness of the wall between adjacent cavities is 0.2 mm. By cutting the assembled parts diagonally as shown below, a variable-focus lens system can be made. Moving the lens horizontally allows the incident beam to pass through fewer or more cavities, collimating or focusing the emerging beam at a desired distance downstream. The variable focus aluminum lens has been used at the Advanced Photon Source to collimate a monochromatic, 81 keV undulator beam to increase downstream crystal monochromator throughput. Results indicate collimation consistent with theoretical expectations." @default.
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- W179194328 date "2002-10-29" @default.
- W179194328 modified "2023-09-27" @default.
- W179194328 title "A variable-focus x-ray compound lens." @default.
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- W179194328 hasPublicationYear "2002" @default.
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