期刊
JOURNAL OF SYNCHROTRON RADIATION
卷 27, 期 -, 页码 788-795出版社
INT UNION CRYSTALLOGRAPHY
DOI: 10.1107/S1600577520002830
关键词
Shack-Hartmann sensor for hard X-rays; sample-shift multi-contrast imaging; interleaving measurement; phase-contrast imaging; polymer refractive lenses
资金
- Karlsruhe Nano Micro Facility (KNMF), a Helmholtz Research Infrastructure at KIT
- UFO instrument at KARA, the synchrotron radiation facility of the KIT
- Karlsruhe House of Young Scientists (KHYS)
- Helmholtz programme `From matter to materials and life'
Different approaches of 2D lens arrays as Shack-Hartmann sensors for hard X-rays are compared. For the first time, a combination of Shack-Hartmann sensors for hard X-rays (SHSX) with a super-resolution imaging approach to perform multi-contrast imaging is demonstrated. A diamond lens is employed as a well known test object. The interleaving approach has great potential to overcome the 2D lens array limitation given by the two-photon polymerization lithography. Finally, the radiation damage induced by continuous exposure of an SHSX prototype with a white beam was studied showing a good performance of several hours. The shape modification and influence in the final image quality are presented.
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