Improving the detection efficiency and modulation transfer function of lens-coupled indirect X-ray imaging detectors based on point spread functions simulated according to lens performance parameters

Wang, Y.; Li, G.; Zhang, J.; Yi, Q.; Zhao, Y.; Li, K.; Zhu, Y.; Jiang, X.

doi:10.1107/S1600577518007889

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Figure 11
Sketch of the best-focus PSFs' light intensity distribution in the XY plane. (a1)–(d1) PSFs with pseudo-color. (a2)–(d2) PSFs with three-dimensional maps. (a1)–(a2) 10× objective and 4.6 µm-thick GGG:Tb. (b1)–(b2) 10× objective and 20 µm-thick GGG:Tb. (c1)–(c2) 40× objective and 4.6 µm-thick GGG:Tb. (d1)–(d2) 40× objective and 20 µm-thick GGG:Tb. In (a1)–(b1) and (a2)–(b2), the pixel size in object space is about 0.3939 µm, and the pixel size in (c1)–(d1) and (c2)–(d2) is about 0.0985 µm. In the figure, when the objective is the same, the thicker the SCF, the more diffuse the best-focus PSF becomes.

JOURNAL OF
SYNCHROTRON
RADIATION

ISSN: 1600-5775

Volume 25| Part 4| July 2018| Pages 1093-1105

https://doi.org/10.1107/S1600577518007889

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