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M1H Transfer Function

M1H Transfer Function. Georg Gassner, March 6 th , 2013. Measurement Setup. Seismometer. Buttkicker. Vibco. Seismometer. M1H Background Noise – X-Axis. M1H Background Noise – Y-Axis. Vibrating the Stand. 43.6Hz. Buttkicker. Applied Freq. vs. X-Axis Sensor on Top. 3µm Amplitude.

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M1H Transfer Function

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  1. M1H Transfer Function Georg Gassner, March 6th, 2013

  2. Measurement Setup Seismometer Buttkicker Vibco Seismometer LCLS-II Phys. Meeting / March 6, 2013

  3. M1H Background Noise – X-Axis LCLS-II Phys. Meeting / March 6, 2013

  4. M1H Background Noise – Y-Axis LCLS-II Phys. Meeting / March 6, 2013

  5. Vibrating the Stand 43.6Hz Buttkicker LCLS-II Phys. Meeting / March 6, 2013

  6. Applied Freq. vs. X-Axis Sensor on Top 3µm Amplitude 31nm Amplitude 3nm Amplitude LCLS-II Phys. Meeting / March 6, 2013

  7. AppliedFreq. vs. Y-Axis Sensor on Top 3nm Amplitude LCLS-II Phys. Meeting / March 6, 2013 Y- motion mostly caused by crosstalk due to sensor placement off axis

  8. Vibrating the Floor Vibco LCLS-II Phys. Meeting / March 6, 2013

  9. AppliedFreq. vs. X-Axis Sensors 31nm Amplitude 3nm Amplitude LCLS-II Phys. Meeting / March 6, 2013

  10. Applied Freq. vs. Y-Axis Sensors 3nm Amplitude 3nm Amplitude LCLS-II Phys. Meeting / March 6, 2013

  11. Result - Transfer Function LCLS-II Phys. Meeting / March 6, 2013 • Y-axis vibration 1=1 • X-axis response varies by the induced frequency.

  12. Construction Activity test Aug 1st 2012 Integrated raw data: • M1H top 1.0µm @ 24Hz (27; 29) • M2H top 0.1µm @ 20Hz • M1H floor 0.3µm @ <20Hz Statistics @ 23Hz LCLS-II Phys. Meeting / March 6, 2013 Road Header

  13. Construction Activity test Aug 1st 2012 Integrated raw data: • M1H top 0.1µm @ 30Hz (24; 45) Statistics @ 30Hz LCLS-II Phys. Meeting / March 6, 2013 Concrete Drill

  14. Outlook LCLS-II Phys. Meeting / March 6, 2013 • Mirror yaw measurements: • No measurement device available to measure yaw movement with 1µrad resolution @100Hz sampling rate. • Solution: Use x-ray beam to measure effect of mirror vibration in FEH. • Install vibration device and seismometer sensors on PAMM of 3/20. • Measure construction activity: • Installed sensors in BTH today. • Construction activities and vibration measurements on 3/19.

  15. Construction Equipment Activities – Sensor Placement QUM1 &2 QEM1 & 2 QT41, 42, 43 Construction Activities

  16. Sensors on QUM#1 & #2 and QEM#1 & #2 LCLS-II Phys. Meeting / March 6, 2013

  17. Sensors on QT41, QT42 & QT43 LCLS-II Phys. Meeting / March 6, 2013

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