iKAGRA Commissioning
Commissioners at the site
http://densuke.biz/list?cd=wgUxhq6KHdfsUnWW
After Apr test run but before iKAGRA ends
- oplev stability, noise measurements (with mirror fixed)
- scattering noise investigation
TO DO before Apr 11
- PSL, IMC related
- re-alignment of PMC
- put the PMC control back to remote mode
- Add a monitor of laser power right after the laser
- re-alignment of IMC and stabilize IMC lock
- replace IMC REFL RF PD to the one which has DC output
- ISC related
IMC and MICH Noise budgeting using Simulink NoiseBudget
- auto alignment for IMC and MICH (dithering? ASC?)
- EX, EY coil balance at higher frequency (~10Hz. Done for DC)
- Make online calibration model
- BS Oplev QPD diagonalization, coil balance
- Feedback MICH also to BS to increase MICH feedback range
- UGF servo (auto gain adjuster using calibration lines)
- lock loss investigation
- AOS related
- Exchange holders for oplev light sources (if required)
- replace EXA end viewport for EX2 camera
- VAC related
- open the GVs to reduce clipping
- check anchors and bolts for vacuum tanks
- PR3 related
- PR3 transfer function measurements, noise measurements
- PR3 LVDT offload with fishing lod, fix WD issue
TO DO before Mar 26
insert PR2-BS duct
Done - evacuate IXA and IYA (we do not evacuate anything in March)
- IOO cabling check (?)
- get PMC back to remote control mode (To be done by Apr 11)
coil balancing for BS, ETMX, ETMY
Done except BS coil offload with picomotors for BS, ETMX, ETMY (and PR3 yaw)
Done oplev damping for BS, ETMX, ETMY, PR3
Done more alignment to maximize contrast, clipping investigation
Done, 75%MAX measure power at REFL port from X and Y arms
Done install REFL camera (steal IMMT1T camera)
Done check LSC model
Done lock Michelson and measure openloop transfer function
Done MICH guardian
Done - calibration model (Partially Done)
- get strain spectrum (Done one shot, done for offline)
Initial alignment work
first week
- Feb 24 (Wed): Miyakawa, Kokeyama, Aso
PR2 install (Aso et al)
DONE - PR3 install (Shoda et al)
- Feb 25 (Thu): Miyakawa, Kokeyama, Aso
- Feb 26 (Fri): Miyakawa, Kokeyama
- Feb 27 (Sat): Kokeyama, Akutsu
install Y end machines (Kokeyama)
DONE EY camera (Kokeyama)
DONE
- Feb 28 (Sun):
- Feb 29 (Mon): Miyakawa, Kokeyama, Michimura, Enomoto, Kataoka, Akutsu, Aso
- IMC stabilization (Kawamura,Enomoto)
finish IMMT1T QPD setup (Akutsu,Michimura,Kataoka)
DONE - prepare for IXC+IXA vent (Kimura)
peel PR3 first contact (Shoda,Fujii)
DONE check PR2 picomotors (Aso,Miyo)
DONE EX camera (Kokeyama)
DONE install PR2 viewport for the camera, and the camera (Akutsu,Kokeyama) half done (no camera yet)
- Mar 01 (Tue): Miyakawa, Kokeyama, Michimura, Enomoto, Kataoka, Akutsu, Aso
turn on PR3 local damping (Shoda,Okutomi,Fujii)
DONE pedestals for PDs (Michimura,Tomaru)
ARRIVED
- Mar 02 (Wed): Miyakawa, Kokeyama, Michimura, Enomoto, Akutsu, Aso, Furuhata, Kambara
put PRM-PR3 bellows (MIRAPRO 8:00-11:00)
DONE put BS-IXC bellows (MIRAPRO PM?)
DONE - IMC stabilization (Kawamura,Enomoto)
IXC+IXA vent (Kimura)
DONE finish IXA clean booth clean up, bring clean goods (Kimura,Tomaru)
DONE - peel ETMX first contact and set coils (Ohishi,Shoda,Aso) REMAINING ISSUE
install BS viewports for the oplev and the camera(Akutsu,Michimura,Kambara,Furuhata) half done (45deg issue, IPC issue)
install PR3 viewport for the camera, and the camera (Akutsu,Shoda,Okutomi,Fujii) half done (no camera yet)
k1cam0 and k1cam1 setup (Kokeyama)
DONE DAQ networks for EX and EY (Miyakawa,Kokeyama)
DONE calibrate PR3 oplev (Shoda,Okutomi,Fujii)
DONE
- Mar 03 (Thu): Miyakawa, Kokeyama, Michimura, Enomoto, Ushiba, Kuwahara, Akutsu, Aso, Furuhata, Kambara
high power IMC (Enomoto)
DONE (~850 mW) PR2 alignment, beam profiling at PR3 half done (beam profiling not yet)
check IMMT2 picomotor (Miyo,Doi)
DONE ETMX,ETMY,BS picomotor (Miyo)
mostly DONE (ETMX to be confirmed) setup PDs at EXA (Akutsu,Fujii)
DONE peel ETMY first contact and set coils (Ohishi,Takahashi)
DONE - PR2, PR3, BS, IMMT1T cameras (Kokeyama) PR2 DONE, BS and PR3 to be done
- ETMX first contact issue: WE DECIDED TO GO WITH REMAINING FIRST CONTACT
- Mar 04 (Fri): Miyakawa, Kokeyama, Michimura, Enomoto, Ushiba, Kuwahara, Furuhata, Kambara
PR3 rough alignment into IXA (Michimura,Ushiba,Kuwahara,Okutomi,Kambara,Furuhata)
DONE (beam profiling at IXA not yet) DQ channels for EXA EYA PDs (Kokeyama)
Done fix IPC errors (Miyakawa, Kokeyama)
Done open BS-IXC GV (Saito,Uchiyama,Kimura)
DONE place ND filters to MC_REFL and PMC_TRANS cameras, and check ghost beams (Enomoto)
DONE (decreased power to ~250 mW)
- Mar 05 (Sat): Kokeyama, Kataoka
- Mar 06 (Sun): Kataoka
- block PSL beam for VAC work (Uchiyama)
second week
- Mar 07 (Mon)
- beam clipping at BS check, BS rough alignment into Y, IXA beam check with respect to PR3 alignment, beam profiling at IXA?, sweep PR3 at night (Michimura,Ushiba,Kataoka,Kambara,Furuhata,Okutomi)
check ETMX actuation (Ohishi,Takahashi)
DONE calibrate ETMX oplev (Kuwahara)
DONE ETMX picomotor check (Miyo)
DONE install EXA end flange (Tomaru)
DONE calibrate ETMY oplev (Kokeyama,Kuwahara)
DONE PR3 oplev calibration result, check PR3 oplev channels (Kokeyama,Okutomi)
DONE - RFM test between center area and both ends (Kokeyama)
- Mar 08 (Tue)
install BS oplev and calibrate (Akutsu,Hasegawa,Kuwahara)
DONE fine adjustment of PR3 alignment to BS and IXA, Xarm viewport, PR3 sweep to EXA (Michimura,Shoda,Okutomi,Ushiba,Furuhata,Kagawa,Fujisawa)
DONE install EXA end viewport (Akutsu,Hasegawa,Kuwahara)
DONE check ETMY actuation (Ohishi,Takahashi,Kuwahara)
DONE install EYA end flange (Kimura,Tomaru)
DONE VIS guardian (Shoda,Okutomi,Kokeyama)
DONE
- Mar 09 (Wed)
BS actuation check (Ushiba,Kuwahara,Furuhata)
DONE setup PD at EYA (Akutsu,Hasegawa,Kambara)
DONE install EYA end viewport (Akutsu,Hasegawa,Kambara)
DONE take PD from EXA, EXA beam check, ETMX rough alignment (Michimura,Fujii)
DONE, DONE setup PD at BS (Akutsu,Hasegawa,Kambara)
DONE EXA end, EYA end cameras (Kokeyama)
DONE RFM network between center and Yend (Kokeyama)
DONE
- Mar 10 (Thu)
connect BS-IYC (MIRAPRO)
DONE start EXA evacuation (Kimura)
DONE block Y arm beam (Akutsu,Kambara,Hasegawa) investigated
LED from EYA to BS (Miyoki) failed -> try brighter LED
- Mar 11 (Fri)
connect PR2-PR3 duct (MIRAPRO)
DONE - sweep ETMX and wait for AS PD to get any signal (Miyo,Hasegawa)
- sweep BS and wait for ETMY PD to get any signal (Fujii,Furuhata)
- Mar 12 (Sat)
- partially connect PR2-BS duct (MIRAPRO)
- LED from EYA to BS (Tomaru,Uchiyama,Hasegawa,Miyo) failed
- Mar 13 (Sun)
BS PD to face X (Uchiyama)
DONE
third week
EXA vent (Saito,Tomaru)
DONE ETMX alignment re-adjustment (Uchiyama)
DONE viewport for IXA (Michimura)
DONE BS alignment re-adjustment (Uchiyama?)
DONE ETMY oplev re-calibration
DONE IYA vent (Kimura?)
DONE get the beam back to IFI and then to REFL
DONE set up REFL optics and cabling
DONE beam to and from X and Y arms
DONE
What we do
- confirm mirror actuators (picomotors, coils, OSEMs) work from digital system
- prepare oplevs and cameras
- prepare RT models and MEDM screens for mirrors and LSC
- prepare feet for large beam profiler
- prepare pedestals for DC PDs
- REFL optics
- stable operation of IMC
initial alignment: JGW-T1604823
- lock 3km Michelson
LCGT Commissioning plan (As of Aug 2012)
Schedule
- List up issues to be addressed for installation procedure (September)
- Detailed installation plan (October)
- General Commissioning Strategy (how to deploy man power etc) (by the end of November)
List of items necessary for commissioning
The List is Here.