= Photon Calibrator =

== Goal ==
 * [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=9561|Requirement for O3]]

== Instruments ==
 * [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=6293&version=1|Pcal instruments summary]]
 * [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=9606|OFS TF and noise]]
 *  [[https://git.gwlab.phy.ncu.edu.tw/WataruOgaki/new-ofs-design.git|New OFS board]]

== Test procedure ==
 * [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ProcessDocumentAdd|Test procedure]]

== Pcal Error budget ==
 * [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=8338|Error budget Table ]]

=== Optical efficiency ===

=== Image analysis ===
 * [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=8342|Pcal_picture]]

=== WSK/GS ===
 * [[https://dcc.ligo.org/LIGO-T1500054-v70|WS/GS ratio]]

=== Tx,Rx/WSK ===
 * [[Absolute calibration]]

== Operation of PCal ==
 * [[KAGRA/Subgroups/CAL/Pcal/Picomotor|Picomotor]]

== Drawing ==
 * [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=9549|KAGRA OFS board]]
 * [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=9570|Periscope Stand]]

== Manual ==
 * [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=6381|Laser manual]]
 * [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=8422|X-end PCal laser repair report]]