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Editor: AyakaShoda
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{{attachment:KAGRA/Subgroups/VIS/TypeBp/PR2/PR2resfreq.pdf||width=1200}}

PR2 suspension information

Contents

  1. position
    1. FARO measurement
    2. GAS default height (LVDT readout)
  2. suspension parameters
    1. resonant frequencies
    2. position of the COM
  3. sensor & actuator parameters
    1. Oplev calibration
    2. OSEM calibration
    3. LVDT calibration
    4. actuation efficiency

position

FARO measurement

  • mirror position offset relative to the tank: (-9.4, +0.5, -6.4)

  • details

GAS default height (LVDT readout)

  • BF GAS:
  • SF GAS:

suspension parameters

resonant frequencies

KAGRA/Subgroups/VIS/TypeBp/PR2/PR2resfreq.pdf

position of the COM

calculated from the resonant frequencies.

sensor & actuator parameters

Oplev calibration

OSEM calibration

LVDT calibration

actuation efficiency

KAGRA/Subgroups/VIS/TypeBp/PR2 (last edited 2018-04-24 16:41:29 by AyakaShoda)