File:Xray focus.gif
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Xray_focus.gif (324 × 168 pixels, file size: 5 KB, MIME type: image/gif)
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[edit]DescriptionXray focus.gif |
English: Mathematically it has been shown that a reflection off a parabolic mirror followed by a reflection off a hyperbolic mirror can lead to the focusing of X-rays. |
Date | |
Source | NASA's Imagine the Universe! Goddard Spaceflight Center |
Author | The Imagine Team Project Leader: Dr. Jim Lochner Curator:Meredith Gibb Responsible NASA Official:Phil Newman |
Permission (Reusing this file) |
Images produced by NASA are usually free of copyright [...] |
Several designs have been used in X-ray telescopes based on the glancing angle reflection principle: the Kirkpatrick-Baez design and a couple of designs by Wolter (Wolter I-IV).
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[edit]Public domainPublic domainfalsefalse |
This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.) | ||
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 23:07, 11 September 2009 | 324 × 168 (5 KB) | Marshallsumter (talk | contribs) | {{Information |Description={{en|1=Mathematically it has been shown that a reflection off a parabolic mirror followed by a reflection off a hyperbolic mirror can lead to the focusing of X-rays.}} |Source=NASA's Imagine the Universe! Goddard Spaceflight Cen |
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