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August 14, 2007 Internal Presentation Georg Gassner gassner@slac.stanford.edu 1 AGI Inclinometer Georg Gassner, John McDougal, SLAC August, 2007 Principle Accuracy Undulator Measurements Principle Accuracy Undulator Measurements

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August 14, 2007 Internal Presentation Georg Gassner gassner@slac.stanford.edu 2 AGI Inclinometer Principle Essentially a electronic spirit level: Principle Essentially a electronic spirit level:

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August 14, 2007 Internal Presentation Georg Gassner gassner@slac.stanford.edu 3 AGI Inclinometer Transient Response

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August 14, 2007 Internal Presentation Georg Gassner gassner@slac.stanford.edu 4 Different Sensors Y Axis: Range: ± 10 arc degree Resolution: 1 microradian Repeatability: 5 microradian Linearity: 0.03 degree at ± 3 degree 0.17 degree at ± 6 degree Scale factor:34mV/degree ~3.5% X Axis: Range: ± 1 arc degree Resolution: 0.1 microradian Repeatability: 1 microradian Linearity: 0.1 arcminute at ± 10 arc minutes 0.5 arcminute at ± 20 arc minutes Scale factor:7.2mV/arcminute/V ~2.5% Y Axis: Range: ± 10 arc degree Resolution: 1 microradian Repeatability: 5 microradian Linearity: 0.03 degree at ± 3 degree 0.17 degree at ± 6 degree Scale factor:34mV/degree ~3.5% X Axis: Range: ± 1 arc degree Resolution: 0.1 microradian Repeatability: 1 microradian Linearity: 0.1 arcminute at ± 10 arc minutes 0.5 arcminute at ± 20 arc minutes Scale factor:7.2mV/arcminute/V ~2.5%

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August 14, 2007 Internal Presentation Georg Gassner gassner@slac.stanford.edu 5 Test on Sine Plate and Breithaupt plate (1) In order to verify the accuracy and linearity of the sensors we tested them on a sine plate and for the smaller range sensors on the Breithaupt stand

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August 14, 2007 Internal Presentation Georg Gassner gassner@slac.stanford.edu 6 Test on Sine Plate and Breithaupt plate (2) Y-Axis high

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August 14, 2007 Internal Presentation Georg Gassner gassner@slac.stanford.edu 7 Test on Sine Plate and Breithaupt plate (3) X-Axis low

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August 14, 2007 Internal Presentation Georg Gassner gassner@slac.stanford.edu 8 Test on Sine Plate and Breithaupt plate (2) Y-Axis high

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August 14, 2007 Internal Presentation Georg Gassner gassner@slac.stanford.edu 9 Undulator Measurements Purpose: Repeat the setup of the Undulator, regarding roll on the Dover Bench, the Kugler Bench, the CMM and in the Undulator Hall Measurements: on 3 spots at the flats at each end of one Undulator Purpose: Repeat the setup of the Undulator, regarding roll on the Dover Bench, the Kugler Bench, the CMM and in the Undulator Hall Measurements: on 3 spots at the flats at each end of one Undulator

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August 14, 2007 Internal Presentation Georg Gassner gassner@slac.stanford.edu 10 Undulator Measurements

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August 14, 2007 Internal Presentation Georg Gassner gassner@slac.stanford.edu 11 Undulator Measurements Protocol:

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August 14, 2007 Internal Presentation Georg Gassner gassner@slac.stanford.edu 12 Undulator Measurements Results:

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August 14, 2007 Internal Presentation Georg Gassner gassner@slac.stanford.edu 13 Undulator Measurements Check -> Index Error:

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August 14, 2007 Internal Presentation Georg Gassner gassner@slac.stanford.edu 14 End of Presentation

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