bKAGRA Phase 1 Initial Alignment

Commissioners at the site

• Type-Bp team: Shoda (absent in the week of 10/10), Miyo (absent from 10/19), Arai
• Type-B team: Mark (absent during 10/15-24), Fabian, Enzo
• Kokeyama (absent during 10/15-10/31), Nakano (basically at the site), Izumi (absent on 10/4 and occasionally), Inoue (10/3-5?, 10/16?-), Yokozawa (10/9-20), Michimura (10/3-4)

Schedule

• Oct 2 - 6: Initial alignment preparations (Kokeyama, Michimura)
  • some dirty work in the SR2 area
• Oct 10 - 13: Initial alignment to PR3 (Kokeyama)
• Oct 16 - 20: Initial alignment to EX (Inoue, Izumi)
• Oct 23 - 27: Initial alignment to EY (Inoue, Izumi)
• Oct 30 - : Beam position measurements (Uchiyama)

iKAGRA Commissioning

Test run summary

• Channel list

• Summary of iKAGRA Test Run March 2016 (JGW-T1605101)

• Summary of iKAGRA Test Run March 2017 (JGW-T1605177)

TO DO after Apr test run but before iKAGRA ends

• oplev stability, noise measurements (with mirror fixed)
• scattering noise investigation
• PR3 height check
• measure PR3 suspension Q values
• save and note all the interferometer settings, configurations to write a paper

• investigate 15 Hz resonance in ETM suspensions 1301

• calibration confirmation, actuator efficiency measurement(including BS)
• stop the clean booth filters and see if the noise changes
• take noise spectra using an analog FFT analyser up to very high frequency. Compare it with the spectrum taken by the digital system
• measure the accurate position of the mirrors (PR3 and BS) with respect to the markings on the floor
• remove REFL aluminum foil and see if the noise changes
• measure Schnupp asymmetry (how?)

Some issues to remember

• unknown 550 Hz LPF in MICH OLTF klog #1645

• why sensitivity improved over 2 kHz? after Apr 12 commissioning break? (klog #1531)

• why there are no 60 Hz line noise?
• RF PD issues: breaks easily with single power supply, Dsub 9pin connectors don't fix tight

Commissioners at the site

• Mar 31 to Apr 11: http://densuke.biz/list?cd=RGpffPNuJw6xwBMF

• Mar 7 to Mar 20: http://densuke.biz/list?cd=wgUxhq6KHdfsUnWW

April Commissioning Break (Apr 1-10)

• Apr 1 (Fri) GV opening day (Leader: Kokeyama)

  • k1boot backup (Miyakawa) 1326

  • time adjust k1fw0, k1fw1 (Miyakawa) 1328

  • fix GE RFM on k1ex0 (Miyakawa)

  • reboot and update display driver for monitor PCs (Miyakawa) 1328

  • unreel power cables around racks (Kokeyama,Michimura) 1330

  • close IOO rack (Kokeyama,Michimura)

  • open GVs close to IXA,IYA (Saito) 1336

  • restore Michelson (Kokeyama,Michimura,Komori) 1336

  • cable making for seismometer,thermometer,hygrometer,barometer(Hayama)
• Apr 2 (Sat) Spare day (Leader: Michimura)
  • redo calibration and noise comparison before and after GV opening (Komori,Michimura)

  • ETMX, ETMY coil balance (Komori,Michimura) 1340

  • better MICH locking (Komori,Michimura) 1344

• Apr 3 (Sun) PSL&IMC day (Leader: Michimura)

  • collect broken EXA viewport (Akutsu, Michimura)

  • replace ETMX oplev collimator holders (Akutsu,Michimura) 1346

  • longer cable for IMC EOM (Nakano,Enomoto) DONE

  • re-alignment of PMC (Nakano,Enomoto) 1349

  • replace TTFSS to the modified one (Nakano,Enomoto) 1348

  • investigate TTFSS Interface slow nob (Nakano,Enomoto) [later]

  • put the PMC control back to remote mode (Nakano,Enomoto) 1351

  • replace 100 kHz LPF for IMC lock from SR560 to RC circuit, modify connectors to screw cables (Enomoto,Nakano) 1350 1359

  • make sure history of circuits are properly recorded on JGW Doc S numbers (Nakano,Enomoto)

  • put N terminators for RF distributor (Michimura) 1352

  • replace Dsub 9pin cable for IMC REFL RF PD connected in series with longer one (Komori,Miyamoto) 1352

  • protect IMC picomotor drivers and devices on the floor (Komori,Miyamoto) 1352

  • tighten SMA cable connectors with wrench (Nakano,Enomoto,Komori,Miyamoto) 1352

  • measure ADC noise, PD dark noise (Komori,Michimura)

• Apr 4 (Mon) PSL&IMC day (Leader: Michimura)

  • connect PR2-BS bellows, VAC safety check (Saito, from PM)

  • BS coil balance, sign check (Komori,Uchiyama,Ohishi) 1354

  • update PMC guardian (Nakano) 1353

  • check lens/mirror mounts, pedestals, forks are properly fixed tight (Nakano,Enomoto,Nagano)

  • put orange and yellow power cables between PR3 to IOO rack (Hasegawa)

  • fix IQ demodulator being too hot issue (Nakano,Enomoto,Nagano) 1401 [later]

  • replace IMC coil differential cable with diff to single board (Nakano,Enomoto,Nagano) [later]
  • cancel --- (ETMY PZT cabling (Ohishi,Miyoki,Miyo)

  • change ETMY oplev to folded configuration, redo calibration (Akutsu,Miyamoto) 1355, 1374

  • replace PR3 oplev collimator holder (Akutsu,Hasegawa) 1356

  • fix conlog, install printer, install VNC (Sasaki)

  • make a state monitor on MEDM (Miyo) [LOCK_STATUS guardian]

  • cable making for seismometer,thermometer,hygrometer,barometer(Hayama)

• Apr 5 (Tue) PSL&IMC, PR3 day (Leader: Kawamura)

  • connect PR2-BS bellows, VAC safety check (Saito)

  • re-alignment of IMC and stabilize IMC lock (Nakano,Enomoto,Nagano) 1386,1499

  • RF PD for Michelson REFL (Hasegawa,Miyamoto,Nagano) 1377

  • fix PR3 LVDT WD issue (Shoda,Fujii,Miyakawa) [later]

  • PR3 LVDT offload with fishing lod (Shoda,Fujii) 1382

  • install the remote control system of the motors (Shoda,Fujii) [later]

  • check PR3 yaw picomotor (Shoda,Fujii) IT WORKS

  • change ETMX oplev to folded configuration, redo calibration (Akutsu,Miyamoto) 1406, 1436

  • safety check (Kawamura,Awai,Kimura,Tomaru) [partially done]

  • add memories on k1fw0, k1fw1, k1dc0 for 64sec frame data (Miyakawa)
  • install PEMs, GIF maintenance (Araya,Miyo,Hayama,Kataoka)
• Apr 6 (Wed) PR3, MICH day (Leader: Michimura)
  • connect PR2-BS bellows, VAC safety check (Saito, until AM)

  • Simulink NoiseBudget for Michelson (Shimoda,Michimura,Kokeyama)

  • online calibration model, UGF servo (Aritomi,Michimura,Kokeyama) 1425, 1472

  • auto alignment (Miyo,Aso,Kokeyama) 1484 [for IMC]

  • replace IMC, BS oplev collimator holders (Akutsu) [CANCEL]

  • water gage setting (Hayama, Kataoka) 1392

  • realtime model for environmental sensors (Hayama, ?)
• Apr 7 (Thu) MICH day (Leader: Aso)
  • feedback MICH also to BS (Aso) [CANCEL]

  • try to use REFL RF PD for MICH lock (Nakano) 1388

  • cancel --- (feedback MICH also to ETMY PZT (Miyo,Aso))
  • realtime model for environmental sensors (Hayama, ?)
• Apr 8 (Fri) MICH day (Leader: Kokeyama)
  • make MICH_LOCK guardian script to check calibration filter settings (Miyo)
• Apr 9 (Sat) Spare day
• Apr 10 (Sun) Spare day
• Apr 11 (Mon) Start test run 2nd round

TO DO before Apr 11

• PSL, IMC related
  • re-alignment of PMC
  • put the PMC control back to remote mode [Apr 1-5]
  • replace TTFSS to the modified one [Apr 1-5]
  • Add a monitor of laser power right after the laser [Apr 1-5]
  • re-alignment of IMC and stabilize IMC lock [Apr 6-8]
  • replace 100 kHz LPF for IMC lock, from SR560 to RC circuit [Apr 6-8]

  • replace IMC REFL RF PD to the one which has DC output DONE

  • close IOO rack (may need RF distributor modification) [Apr 1-5]
  • fix IQ demodulator being too hot issue [Apr 1-5]
  • Exchange holders for IMC oplev light sources (if required) [Apr 4-7]
• ISC related
  • BS Oplev QPD diagonalization, coil balance [Apr 1-5, no laser hazard]
  • EX, EY coil balance at higher frequency (~10Hz. Done for DC) [Apr 1-5]
  • EY PZT [Apr 1-5]

  • IMC and MICH Noise budgeting using Simulink NoiseBudget [Apr 6-8]

  • auto alignment for IMC and MICH (dithering? ASC?) [Apr 6-8]
  • make online calibration model, UGF servo (auto gain adjuster using calibration lines) [Apr 6-8]
  • feedback MICH also to BS to increase MICH feedback range [Apr 6-8]
  • Exchange holders for BS/ETMs oplev light sources (if required) [Apr 4-7]

• DetChar related

  • lock loss investigation (use 3/25-3/11 data)
• AOS related
  • replace EXA end viewport for EX2 camera [Apr 4-7]
• VAC related
  • connect PR2-BS duct [Apr 4-5, no laser hazard]
  • open the GVs (close to IXA,IYA) to reduce clipping [Apr 1]
  • check anchors and bolts for vacuum tanks [Apr 4-5]
• PR3 related
  • PR3 transfer function measurements, noise measurements [Apr 5-6]
  • PR3 LVDT offload with fishing lod [Apr 5-6]
  • fix PR3 LVDT WD issue [Apr 5-6]
  • install the remote control system of the motors [Apr 5-6]
  • check PR3 yaw picomotor [Apr 5-6]
  • Exchange holder for PR3 oplev light source (if required) [Apr 4-7]
• DGS related
  • k1boot backup [Apr 1, Miyakawa]
  • Time adjust on k1fw0, k1fw1 [Apr 1, Miyakawa]
  • Add memories on k1fw0, k1fw1, k1dc0 for 64sec frame data[Apr 5-8, Miyakawa]
  • Fix camera noise [Kokeyama]
  • Fix conlog [Apr 4-8, Sasaki]
  • Fix GE RFM on k1ex0 [Apr 1, Miyakawa]
  • Reboot and update display driver for monitor PCs [Apr 1, Miyakawa]
  • Install printer of 2nd floor for k1ctr0-4 [Apr 4-8, Sasaki]
  • Install VNC for monitor k1mon0-2 [Apr 4-8, Sasaki]
  • Make a state monitor on MEDM [Apr 4-8, Miyo]
• General

  • Safety check (reported by Awai) [Apr 1-10]

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

  • PR3 install (Shoda et al) DONE

  • oplev and camera for ETMX (Akutsu,Kokeyama) DONE (not calibrated yet)

• Feb 26 (Fri): Miyakawa, Kokeyama

  • PR3 install, check signals (Shoda et al) DONE

  • install X end machines (Kokeyama) 　DONE

  • oplev and camera for ETMY (Akutsu,Simon) DONE (not calibrated yet)

• 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

  • sweep PR3 and wait for end PDs to get any signal (automatically or Kataoka?) NO SUCESS

  • Swap picomotor network switch and install new pico switch on IOO rack (Kataoka, Kokeyama)

  • Install the second camera POE switch on PR2 rack (Kataoka, Kokeyama) DONE

  • Set RFM card to k1ioo chassis (Kokeyama) DONE

• 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

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 Done

• get strain spectrum 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.