BS suspension information

<<TableOfContents(3)>>

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= position =

== FARO measurement ==

== GAS default height (LVDT readout) ==
 * BF GAS LVDTIN:
 * F1 GAS LVDTIN: 
 * F0 GAS LVDTIN:

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= suspension parameters =
== resonant frequencies ==
{{attachment:KAGRA/Subgroups/VIS/TypeB/BSdetail/BSresFreqs.pdf||width=800, height=500}}

 * There is a resonance at 4 kHz, which might be an internal mode of the optic.

== position of the COM ==
calculated from the resonant frequencies.

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= sensor & actuator parameters =
== Oplev calibration ==

== OSEM calibration ==

== LVDT calibration ==

== actuation efficiency ==

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= Suspension models in MEDM =
|| '''Stage''' ||'''DOF''' ||'''Author''' ||'''Data''' ||'''Date''' ||'''klog''' ||
|| IP      || L      || Terrence     || /kagra/Dropbox/Subsystems/VIS/vis_commissioning/bs/transfer_function/IP_L_EXC.xml || 2022/1/25 || [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=19557|klog19557]]    ||
|| IP      || T      || Terrence     || /kagra/Dropbox/Subsystems/VIS/vis_commissioning/bs/transfer_function/IP_T_EXC.xml || 2022/1/25 || [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=19557|klog19557]]    ||
|| IP      || Y      || Terrence     || /kagra/Dropbox/Subsystems/VIS/vis_commissioning/bs/transfer_function/IP_Y_EXC.xml || 2022/1/25 || [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=19557|klog19557]]    ||
|| GAS      || F0      || Terrence     || /kagra/Dropbox/Subsystems/VIS/vis_commissioning/bs/transfer_function/F0_GAS_EXC.xml || 2022/1/25 || [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=19557|klog19557]]    ||
|| GAS      || F1      || Terrence     || /kagra/Dropbox/Subsystems/VIS/vis_commissioning/bs/transfer_function/F1_GAS_EXC.xml || 2022/1/25 || [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=19557|klog19557]]    ||
|| GAS      || BF      || Terrence     || /kagra/Dropbox/Subsystems/VIS/vis_commissioning/bs/transfer_function/BF_GAS_EXC.xml || 2022/1/25 || [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=19557|klog19557]]    ||
|| IM      || L      || Terrence     || /kagra/Dropbox/Subsystems/VIS/vis_commissioning/bs/transfer_function/IM_L_EXC.xml || 2022/1/28 || [[ https://klog.icrr.u-tokyo.ac.jp/osl/?r=19608|klog19608]]    ||
|| IM      || P      || Terrence     || /kagra/Dropbox/Subsystems/VIS/vis_commissioning/bs/transfer_function/IM_P_EXC.xml || 2022/1/28 || [[ https://klog.icrr.u-tokyo.ac.jp/osl/?r=19608|klog19608]]    ||
|| IM      || R      || Terrence     || /kagra/Dropbox/Subsystems/VIS/vis_commissioning/bs/transfer_function/IM_R_EXC.xml || 2022/1/28 || [[ https://klog.icrr.u-tokyo.ac.jp/osl/?r=19608|klog19608]]    ||
|| IM      || T      || Terrence     || /kagra/Dropbox/Subsystems/VIS/vis_commissioning/bs/transfer_function/IM_T_EXC.xml || 2022/1/28 || [[ https://klog.icrr.u-tokyo.ac.jp/osl/?r=19608|klog19608]]    ||
|| IM      || V      || Terrence     || /kagra/Dropbox/Subsystems/VIS/vis_commissioning/bs/transfer_function/IM_V_EXC.xml || 2022/1/28 || [[ https://klog.icrr.u-tokyo.ac.jp/osl/?r=19608|klog19608]]    ||
|| IM      || Y      || Terrence     || /kagra/Dropbox/Subsystems/VIS/vis_commissioning/bs/transfer_function/IM_Y_EXC.xml || 2022/1/28 || [[ https://klog.icrr.u-tokyo.ac.jp/osl/?r=19608|klog19608]]    ||
|| TM      || L      || Terrence     || /kagra/Dropbox/Subsystems/VIS/vis_commissioning/bs/transfer_function/TM_L_EXC.xml || 2022/1/28 || [[ https://klog.icrr.u-tokyo.ac.jp/osl/?r=19608|klog19608]]    ||
|| TM      || P      || Terrence     || /kagra/Dropbox/Subsystems/VIS/vis_commissioning/bs/transfer_function/TM_P_EXC.xml || 2022/1/28 || [[ https://klog.icrr.u-tokyo.ac.jp/osl/?r=19608|klog19608]]    ||
|| TM      || Y      || Terrence     || /kagra/Dropbox/Subsystems/VIS/vis_commissioning/bs/transfer_function/TM_Y_EXC.xml || 2022/1/28 || [[ https://klog.icrr.u-tokyo.ac.jp/osl/?r=19608|klog19608]]    ||

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= Related Link =
 * [[KAGRA/Subgroups/VIS/TypeBp/PR2|PR2]]
 * [[KAGRA/Subgroups/VIS/TypeBp/PR3|PR3]]
 * [[KAGRA/Subgroups/VIS/TypeBp/PRM|PRM]]