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![[Figure 1]](fd5006fig1mag.jpg)
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Figure 1
(a), (b) Capillary OD profile and centerline straightness versus capillary length of a 2 mrad capillary measured with a visible-light microscope. The measured OD figure RMS error after subtracting the ideal ellipsoidal profile is 1.7 µm; the maximum centerline deviation is about 2 µm (or ±1 µm); the calculated ID figure RMS error is 0.33 µm assuming that the OD/ID ratio is constant along the capillary. (c), (d) 8 mrad capillary OD profile and centerline straightness, with measured OD RMS error of 2.2 µm (and a calculated ID profile RMS error of 0.64 µm after scaling down with the OD/ID ratio), and a centerline straightness maximum deflection of ∼2 µm. |
![[Figure 1]](fd5006fig1.jpg)
 | JOURNAL OF SYNCHROTRON RADIATION |
ISSN: 1600-5775
