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Figure 3
Experimental arrangement for estimating the effect of the compensation of the off-axis aberration. MP: silicon 511 monochromating polarizer; PR1 and PR2: first and second diamond 111 phase retarders; IC1: ionization chamber monitoring the X-rays Bragg-reflected by the first phase retarder; SC1 and SC2: scintillation counters monitoring the X-rays Bragg-reflected by the second phase retarder; IC2: ionization chamber monitoring the X-rays transmitted through the double phase retarders; A: silicon 511 analyzer crystal arranged in a parallel nicol geometry with respect to the polarizer.

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SYNCHROTRON
RADIATION
ISSN: 1600-5775
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