On the use of electronic tilt sensors as angle encoders for synchrotron applications

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The authors have tested several electrolytic tilt sensors produced by Applied Geomechanics Inc. A pair of sensors were tested by mounting them on the Chi circle of a Huber 4 circle diffractometer. The angles were scanned in 1{degrees} intervals over a range of {+-}35{degrees}. In these tests the resolution was about {+-}5 {mu}rad but the repeatability depended on angle and varied from 70 {mu}rad (one standard deviation) at large angles to 7 {mu}rad at small angles. This type of tilt sensor may be too slow (2-10 second settling time) as a primary angle encoder for a monochromator or diffractometer, but ... continued below

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12 p.

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Knapp, G.S.; You, H. & Holzhausen, G.R. September 1, 1994.

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Description

The authors have tested several electrolytic tilt sensors produced by Applied Geomechanics Inc. A pair of sensors were tested by mounting them on the Chi circle of a Huber 4 circle diffractometer. The angles were scanned in 1{degrees} intervals over a range of {+-}35{degrees}. In these tests the resolution was about {+-}5 {mu}rad but the repeatability depended on angle and varied from 70 {mu}rad (one standard deviation) at large angles to 7 {mu}rad at small angles. This type of tilt sensor may be too slow (2-10 second settling time) as a primary angle encoder for a monochromator or diffractometer, but for a system run by stepping motors, they would prove quite useful as secondary angle encoders. Other models which have a narrower angular range would be useful in setting and tuning focusing mirrors.

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12 p.

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OSTI as DE95005836

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  • 5. international meeting on synchrotron radiation instrumentation, Stony Brook, NY (United States), 18-22 Jul 1994

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  • Other: DE95005836
  • Report No.: ANL/MSD/CP--82825
  • Report No.: CONF-940714--53
  • Grant Number: W-31109-ENG-38
  • Office of Scientific & Technical Information Report Number: 36572
  • Archival Resource Key: ark:/67531/metadc678534

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  • September 1, 1994

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  • July 25, 2015, 2:20 a.m.

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  • Dec. 16, 2015, 5:35 p.m.

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Knapp, G.S.; You, H. & Holzhausen, G.R. On the use of electronic tilt sensors as angle encoders for synchrotron applications, article, September 1, 1994; Illinois. (digital.library.unt.edu/ark:/67531/metadc678534/: accessed September 20, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.