August 14, 2007 Internal Presentation Georg Gassner 1 AGI Inclinometer Georg Gassner, John McDougal, SLAC August, 2007 Principle Accuracy Undulator Measurements Principle Accuracy Undulator Measurements
August 14, 2007 Internal Presentation Georg Gassner 2 AGI Inclinometer Principle Essentially a electronic spirit level: Principle Essentially a electronic spirit level:
August 14, 2007 Internal Presentation Georg Gassner 3 AGI Inclinometer Transient Response
August 14, 2007 Internal Presentation Georg Gassner 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%
August 14, 2007 Internal Presentation Georg Gassner 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
August 14, 2007 Internal Presentation Georg Gassner 6 Test on Sine Plate and Breithaupt plate (2) Y-Axis high
August 14, 2007 Internal Presentation Georg Gassner 7 Test on Sine Plate and Breithaupt plate (3) X-Axis low
August 14, 2007 Internal Presentation Georg Gassner 8 Test on Sine Plate and Breithaupt plate (2) Y-Axis high
August 14, 2007 Internal Presentation Georg Gassner 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
August 14, 2007 Internal Presentation Georg Gassner 10 Undulator Measurements
August 14, 2007 Internal Presentation Georg Gassner 11 Undulator Measurements Protocol:
August 14, 2007 Internal Presentation Georg Gassner 12 Undulator Measurements Results:
August 14, 2007 Internal Presentation Georg Gassner 13 Undulator Measurements Check -> Index Error:
August 14, 2007 Internal Presentation Georg Gassner 14 End of Presentation