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Figure 6
Diamond detector linearity characterization. Log–log plot of total detector current [A] versus calculated absorbed power [W] using the ClearXCam imaging monitor using a pink beam at 17-BM with a 1.5 mm pinhole beam spot size. The data were collected in single-stripe collection mode. The fit (red line) yields I1 = (4.42 × 10−2)Φ0.9878, where I1 is the detector current and Φ is the calculated absorbed power, confirming a nearly linear response across five orders of absorbed power. We note that the incident beam has a Gaussian lateral profile, while the absorbed power calculation assumes a uniform distribution. This leads to a slight underestimation of absorbed power and a small rightward shift of the data relative to a unity slope line, though the linearity remains unaffected.

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SYNCHROTRON
RADIATION
ISSN: 1600-5775
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