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Edge method for measuring source spot-size and its principle |
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| Authors: | Shi Jiang-Jun Liu Jun Liu Jin and Li Bi-Yong |
| Institution: | Institute of Fluid Physics, China Academy of Engineering Physics, Mianyang 621900, China |
| Abstract: | The edge method is used to measure the source spot-size. In this paper, the measuring principle and applying range are discussed. It is shown that the method can directly be used to measure the spot-size of either light source, or low-energy x-ray source, or x-ray source with an energy higher than 250 keV. |
| Keywords: | edge method edge spread function (ESF) linear spread function (LSF) full width at half maximum (FWHM) |
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