First point-spread function and x-ray phase-contrast imaging results with an 88-mm diameter single crystal
In this study, we report initial demonstrations of the use of single crystals in indirect x-ray imaging with a benchtop implementation of propagation-based x-ray phase-contrast imaging. Based on single Gaussian peak fits to the x-ray images, we observed a four times smaller system point-spread funct...
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| Veröffentlicht in: | Review of scientific instruments 2018-07, Vol.89 (7), p.073704-073704 |
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| container_title | Review of scientific instruments |
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| creator | Lumpkin, Alex H. Garson, Alfred B. Anastasio, Mark A. |
| description | In this study, we report initial demonstrations of the use of single crystals in indirect x-ray imaging with a benchtop implementation of propagation-based x-ray phase-contrast imaging. Based on single Gaussian peak fits to the x-ray images, we observed a four times smaller system point-spread function (PSF) with the 50-µm thick single crystal scintillators than with the reference polycrystalline phosphor/scintillator. Fiber-optic plate depth-of-focus and Al reflective-coating aspects are also elucidated. Guided by the results from the 25-mm diameter crystal samples, we report additionally the first results with a unique 88-mm diameter single crystal bonded to a fiber optic plate and coupled to the large format CCD. Both PSF and x-ray phase-contrast imaging data are quantified and presented. |
| doi_str_mv | 10.1063/1.5027499 |
| format | Article |
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| ispartof | Review of scientific instruments, 2018-07, Vol.89 (7), p.073704-073704 |
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| language | eng |
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| source | AIP Journals Complete; Alma/SFX Local Collection |
| subjects | Fiber optics Image contrast INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY Large format Optical fibers Point spread functions PSF Scientific apparatus & instruments Scintillation counters single crystal scintillator Single crystals x-ray phase-contrast imaging x-rays |
| title | First point-spread function and x-ray phase-contrast imaging results with an 88-mm diameter single crystal |
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