Archive of the Daily Commissioning Meeting at 1PM

---

Today's work plan: 2019/9/26 1PM - 2019/9/27 1PM

After noon and Evening

• Discuss the OpLev and actuator diagonalization method (VIS + CRY + Nakano)

• PRFPMI variable finesse lock (Nakano + others)
• MC WFS calibration (Kokeyama)

Sept. 27(Wed.) morning

• Request form Nakano-kun for ETMY, Damp for 20Hz~ etc. (Ushiba)
• ETMX damping (Fujii)
• ITMX damping (Yamada)
• Payload work (Lucia)
• Type-A QPD and actuator diagonalization (VIS)
• iMC WFS (Kokeyama)
• Bug fix on perl cord for oplev (Yamamoto)

---

Today's work plan: 2019/9/25 1PM - 2019/9/26 1PM

After noon and Evening

• Some measurement using X arm for finesse or something (Nakano, Jerome)
• RT model modification for ETMY (Nakano)
• Investigation of ETMY for glitch and hysteresis (Aso, Lucia, Fabian, Yamamoto)
• Fix oplev noise at ITMY (Aso)
• AS WFS (Kokeyama)
• Works for OMC circuit (Somiya, Ogawa)

Sept. 26(Wed.) morning

• MICH WFS (Kokeyama)
• Diagnalization for VIS (all VIS team)

Today's work plan: 2019/9/24 4PM - 2019/9/25 1PM

Evening

• Investigation of ETMY for glitch and hysteresis (Lucia, Terrence, Fabian, Okutomi, Nakano)
• MC WFS work (Kokeyama)
• Installation of the repaired LVDT driver for ITMY (Okutomi)
• Installation of QPD driver for OMC (Somiya)

Sept. 25(Wed.) morning

• AS WFS (Kokeyama)
• Disassembling OMC suspension and test (Somiya, Ogawa, Kokeyama)
• DAC investigation for 0.2Hz (Miyakawa, Aso, Yamamoto, Lucia Fabian)
• VIS work for X arm (Fujii)

---

Today's work plan: 2019/9/20 4PM - 2019/9/24 4PM

Afternoon

• Lock acquisition with some hierarchy models (Rana, Nakano, Aso)
• Free swinging for ETMY (Rana)
• CAL: restarting CAL model

Wweekend

• Lock acquisition from afternoon (Nakano, Rana)
• PEM vibration measurement in the center room in the morning.
• PCAL: alignment work at ETMY (Darkhan, Ogaki)
• Adding new memory to k1ctrXX on Monday (Oshino)

Sept. 24(Tue.) daytime

• Investigation of ETMY for glitch and hysteresis (O)
• Disassembling OMC suspension (Somiya, Aso, Koseyama)
• Optical table cover around OMC chamber (Michimura)
• PCal work for ETMX, ETMY remotely (Inoue)
• SR2 sensor correction (Fabian)
• Maintenance for PEM work (Yokozawa)
• Jerome has a talk for optical parameters of aVIRGO at 3pm.

---

Today's work plan: 2019/9/19 4PM - 2019/9/20 4PM

Evening

• BS L2P filter (Terrence, Lucia)
• Long term stability test for matrix diagonalization for ETMY (Lucia, Jenne)
• Try variable finesse locking for PRFPMI (Nakano, Rana, Jenne)

Sept. 20(Fri.) daytime

• GIF feedforward test using X arm (Yokozawa, Miyo)
• IFO lock acquisition or noise hunting (Nakano, Rana)
• AS DAC noise problem: check the up-sampling filter in IOP (Miyakawa)
• PCal work for ETMX, ETMY remotely (Inoue)

---

Today's work plan: 2019/9/18 4PM - 2019/9/19 4PM

Evening

• Foil for QPD for PRM (Akutsu)
• Matrix diagonalization for ETMY(Lucia, Jenne)
• Opleve investigation and hierarchy control (Rana)
• Try variable finesse locking for PRFPMI (Nakano, Rana, Jenne)
• Xarm + GIF control in the morning if possible(Miyo, Yokozawa)

Sept. 19(Wed.) daytime

• AS DAC noise problem: check the up-sampling filter in IOP (Rana, Yamamoto, Miyakawa)
• Clean up portable accelerometer (Yokozawa)
• PRM diagonalization (Shoda)
• Diagonalization of oplev with ETMX(Lucia)
• BS diagnalization (Terrence)
• Some measurement for Type A (Fujii)
• Damping work for ITMY and ETMY (Ushiba)
• PCal work for ETMX, ETMY (Inoue)

---

Today's work plan: 2019/9/17 4PM - 2019/9/18 4PM

Evening

• BS damping with the same strategy as PR3 (Rana)
• Try variable finesse locking for PRFPMI (Nakano, Rana, Jenne)

• Kick mirrors for OpLev diagonalization

• Restart the k1ex0 (Inoue)

Sept. 18(Tue) daytime

• Vertical sensor correction with ETMY&ITMX (Lucia)

• OpLev diagonalization (Shoda ?)

• ETMX damping (Fujii)
• ITMY BP comb damping (Ushiba)
• IMC pico to change the beam spot on MCo
• AS DAC noise problem: check the up-sampling filter in IOP (Rana, Miyakawa)

---

Today's work plan: 2019/9/13 1PM - 2019/9/17 4PM

Afternoon + Evening

• Update the T-cam script (Inoue)
• Ondotori maintenance (Yamamoto)
• IFO locking (Nakano, Jenne, Rana, Michimura)
  • Continue PRFPMI lock trial

Weekend

• IFO work (Nakano, et al)
• EPICS gateway maintenance (Yamamoto)
• Calibration line injection (Inoue)

Sept. 17(Tue) morning

• ETMX payload damping (Fujii)
• PRM L-A decoupling (Shoda)
• ITMX BF sensor correction (Lucia)
• ETMY and ITMY BP comb damping (Ushiba)
• IMC beam spot position check (Kokeyama, Terrence)

Today's work plan: 2019/9/12 4PM - 2019/9/13 1PM

Evening

• IFO locking (Nakano, Jenne)
  • Continue PRFPMI lock trial

9/13(Fri.)

• VIS time until 10:45AM
  • SR2 sensor correction (Fabian)
  • PRM L-A decoupling (Shoda)
  • ETMX BF sensor correction (Lucia)
  • ITMY BP comb damping (Yamada)
• IFO time from 10:45AM
  • PRFPMI lock (Nakano, Jenne, Rana)

Today's work plan: 2019/9/11 1PM - 2019/9/12 1PM

Afternoon

• ETMX BF sensor correction (Lucia)
• ETMY BP Comb damping (Ushiba)
  • ETMY L-P, L-Y decoupling (Lucia)
• ITMY BP comb damping (Yamada)
• SR2 watchdog cable check (Fabian)
• ASC: AS optical layout change (Kokeyama)

Evening

• IFO locking (Nakano, Jenne)
  • Continue PRFPMI lock trial

9/12(Tue.) Morning

• SR2 BIO cable investigation (Fabian) (until 1PM)
• SR2 sensor correction (Fabian) (until 1PM)
• PRM L-A decoupling (Shoda) (until 1PM)
• AS table optical layout modification for ASC (Kokeyama) (from 1PM)
• ETMX BF sensor correction (Lucia)
• ETMY L-P, L-Y decoupling (Lucia)
• ITMY BP comb damping (Yamada)

Today's work plan: 2019/9/10 1PM - 2019/9/11 1PM

Afternoon

• SR2 sensor correction. Installation of the modified realtime code (Fabian) -> RT model installation done

• ITMY sensor correction both IP and BF (Lucia) in progress

• ETMX actuator balancing MN&IM (Ushiba) -> Done

• ETMY actuator balancing MN&IM (Ushiba) -> Done

• BP Comb tuning for ETMY (Ushiba) -> in progress

• Driving matrix optimization (MN) for ITMX (Okutomi)
• Installation of IIRrational, fitting tool (Jenne)
• k1ex0 reboot (Inoue)

Evening

• IFO locking (Nakano, Jenne, Stefan)
  • PRFPMI
  • Maybe subtract f1 signal from 3f ?

9/11(Tue.) Morning

• ITMY sensor correction both IP and BF (Lucia)
• All Type-A: implementing the vertical LVDT sensor correction (Miyo, Lucia)
• ETMY BP Comb damping (Ushiba)
  • Once ETMY damping is done. LP decoupling for ETMs (Lucia, Jenne)
• SR2 sensor correction (Fabian): Actual test.
• Driving matrix optimization (MN) for ITMX (Okutomi)
• Duct shield cryocooler repair (EX) (Kimura)
• PEM injection test preparation (IYC) (Yokozawa)
• ISS phase delay investigation (Yoshioka)
• ASC work (Kokeyama, Terrence)
  • Restart SRM RTM
  • Activate the IFI STMs
  • Cabling at AS
  • AS table optical layout modification

Today's work plan: 2019/9/9 1PM - 2019/9/10 1PM

Afternoon

• ISS (Yoshioka)
• Type-B sensor correction PI (Fabian)
• LP decoupling for ETMs (Lucia, Jenne)
• ITMY sensor correction (Lucia, Jenne)

• BS OpLev loop optimization (Shoda)

• AS table optical layout optimization for ASC (Terrence)

Evening

• IFO locking (Nakano, Jenne)
  • Measure CARM OPLG
  • SRFPMI lock with opposite CARM offset
  • Try DRMI again

9/10(Tue.) Morning

• VIS strategy meeting from 10AM

Today's work plan: 2019/9/6 1PM - 2019/9/9 1PM

Afternoon

• Cryopayload diagonalization (Yamada)
• Balancing ETMX (Lucia)
• REFL port arrangement (Kokeyama, Eleonora)
• PCAL: exchanging whitening filter (Yamamoto, Tanaka)

Evening

• Lock acquisition for SRFPMI (Nakano, Jenne)
• Type A coupling measurement test using X arm (Okutomi)
• Silent run after daily work done until morning

Weekend

• Lock acquisition for SRFPMI (Nakano, Jenne)
• PEM noise measurement with/without FFU in Sat. morning (Yokozawa, Washimi, Miyoki)
• Calibration for Oplevs at center area using IFO signal (Enomoto)
• Type A coupling measurement test using X arm (Okutomi)

9/9(Mon.) Morning

• Type A coupling measurement test using X arm (Okutomi)
• Balancing coil (Lucia)
• Type A work (Fujii, Yamada)
• Type B noise hunting for 16Hz and 17Hz with PEM results (Fabian)
• MICH calibration (Ogaki, Yokozawa)
• REFL tabe configuration (Kokeyama, Eleonora, Terrence)

---

Today's work plan: 2019/9/4 1PM - 2019/9/5 1PM

Afternoon

• Type A work ETMX and ITMX (Fujii)
• Type A work ETMY (Lucia)
• Type B work for SRM (Fabian)
• Payload damping ITMY (Yamada)
• ISS work in the PSL in short time (Yoshioka, Ushiba)
• Mine work for SRFPMI lock acquisition (Nakano, Ushiba, Yokozawa)
• Investigation for alignment on Y end (Akutsu)
• Ghost beam check (Kokeyama, Eleonora, Terrence, Akutsu)
• ASC work with Xarm or Yarm (Okutommi)

Evening

• Mine work for SRFPMI lock acquisition (Nakano, Ushiba, Yokozawa)
• Investigation for alignment on Y end (Akutsu)
• ASC work with Xarm or Yarm (Okutommi)
• Silent run after daily work done until morning

Weekend

Morning

• No VIS work Friday afternoon. IFO is used for lock acquisition or signal injection.
• Type A test using X arm (Okutomi)
• Impact test using hummer at center room(Washimi, Takana)
• MICH calibration (Ogaki, Yokozawa)
• ISS work (Ushiba)
• PEM: measurement without IFO. (Yokozawa, etc.)
• REFL tabe configuration (Kokeyama, Eleonora, Terrence)

---

Today's work plan: 2019/9/3 1PM - 2019/9/4 1PM

Afternoon

• TMX investigation with X arm lock (Okutomi, Akutsu)
• QPD centering at ETMX (Nakano, Tanaka)
• Type A work ETMX and ITMX (Fujii)
• Type A work ETMY (Lucia)
• Payload damping ITMY (Yamada)
• Type B work (Fabian)
• Payload work for optical lever control in the central part (Shoda)
• ISS work in the PSL(Yoshioka, Ushiba)
• Bean profile measurement (Kokeyama, Eleonora)

Evening

• IFO realignment and lock acquisition for SRFPMI (Nakano, Yokozawa, Okutomi, Ushiba)
  • Changing modulation frequency for f1 and f2.
• TMSY IR QPD work. (Akutsu, Tanaka, Kokeyama)
• Silent run after daily work done until morning

Weekend

Morning

• Calibration of MI (Ogaki)
• Type A work ETMX and ITMX (Fujii)
• Type A work ETMY (Lucia)
• Payload damping ITMY (Yamada)
• PEM work around SR3 (Yokozawa)
• ASC work (Kokeyama, Eleonora)

---

Today's work plan: 2019/9/2 1PM - 2019/9/3 1PM

Afternoon

• Investigate 46Hz noise on Pitch of ITMX, and for damping ETMY (Okutomi, Fujii)
• Payload damping ITMY (Yamada)
• Type A sensor correction for EX and EY (Lucia, Fujii)
• Type B work (Fabian)
• Payload work for optical control in the central part, specially for SRs (Shoda)
• AS table beam profile with PRM misaligned from 2-3pm (Kokeyama)
• Measuring accelerometers 1:30-2pm (Fabian, Yokozawa)

Evening

• IFO realignment and lock acquisition for SRFPMI (Nakano, Yokozawa, Okutomi, Ushiba)
• Silent run after daily work done until morning
• Beam profile at the end. (Akutsu)

Weekend

Morning

• Modification BS calm down script when misaligned. (Fabian)

• BS yaw > 100mHz. (Fabian)

• Green fabler covering (Miyoki)
  • REFL table modification (Kokeyama, Eleonora, Terrence)
• IFO is green from 10am.
• Type A work ETMX and ITMX (Fujii)
• Type A work ETMY (Lucia)
• Type B work for SRM (Fabian)
• Diagonalizaton of Oplev for SRM and SR2 (Fabian)
• Payload damping ITMY (Yamada)
• PEM measurement for SRM and PRM area (Yokozawa)

---

Today's work plan: 2019/8/30 1PM - 2019/9/2 1PM

Afternoon

• Investigate 46Hz noise on ITMX (Okutomi)
• Type A sensor correction for EX and EY (Lucia, Fujii)
• Payload damping ITMY (Yamada)
• Updating PEM model and needs DAQ restart (Washimi)

Evening

• ITMX wrok for damping (Okutomi)
• CAL measurement for SRC (Yamamoto)
• IFO lock acquisition for SRFPMI (Nakano)
• Silent run after daily work done until morning

Weekend

• CAL measurement for SRC (Yamamoto)
• Damping for Type A (Fujii, Lucia, Ushiba, Okutomi, Yamada)
• Damping for Type B (Fabian)
• IFO lock acquisition for SRFPMI (Nakano)
• Silent run after daily work done until morning

Morning

• Fixing k1gate (Yamamoto, Miyakawa)
• Damping for Type A (Fujii, Lucia, Ushiba, Okutomi, Yamada)
• DGS maintenance for k1fw0 (Yamamoto, Oshino)
• Adding accelerometers (Fabian, Yokozawa)
• Payload work for optical control in the central part, specially for SRs (Shoda)
• Centering oplev for SR2 (Yokozawa, SR2)
• REFL beam profile with PRM aligned (Kokeyama)

---

Today's work plan: 2019/8/29 1PM - 2019/8/30 1PM

Afternoon

• Finesse measurement using X arm (Sotsuka)
• ASC centering (Kokeyama, Washimi)
• Investigate 46Hz noise on ITMX (Okutomi)
• Updating for Type B model for Dolphin connection (Fabian)
• Type A sensor correction (Lucia, Fujii)
• Payload damping ITMY (Yamada)
• Fix k1fw0 (Miyakawa, Oshino)
• Covering oplev for PR2 and PRM (Akutsu)

Evening

• IFO lock acquisition for SRMI (Nakano)
• Silent run

Weekend

Morning

• Damping for Type A (Fujii, Lucia, Ushiba, Okutomi, Yamada)
• Damping for Type B (Fabian)
• PEM measurement, and injection test (Yokozawa, Washimi)
• Exchanging k1fw0 (Oshino, Miyakawa)
• Noise measurement for ALS (Enomoto)

---

Today's work plan: 2019/8/28 1PM - 2019/8/29 1PM

Afternoon

• Damping work for ITMX MN at 46Hz (Okutomi)
• Type A work for ETMX (Lucia)
• Damping PRM (Fujii)
• Type A work feedforward or common mode rejection (Yamada, Lucia, Fujii)
• Type B work (Fabian)
• ISS work in the PSL (Yoshioka, Nakano)
• Exchanging the 60inch monitor in the control room.
• Fixing detchar tool (Alex)

Evening

• Finesse measurement (Nakano, Sotsuka)
• Measurement for ALS (Enomoto)
• Check the SRM direction (Yokozawa)
• Silent run

Weekend

Morning

• Fix k1fw0 (Miyakawa, Oshino)
• Damping for Type A (Fujii, Lucia, Ushiba, Okutomi, Yamada)
• Damping for Type B (Fabian)
• ASC centering (Kokeyama)

---

Today's work plan: 2019/8/27 1PM - 2019/8/28 1PM

Afternoon

• ASC tutorial soon (Nakano)
• Type A work for ITMX and ITMY (Okutomi, Yamada, Fujii, Lucia)
• Some PRs work for oplev control loop (Shoda)
• ISS work in the PSL (Yoshioka, Nakano)
• Investigation for ASL glitch noise (Enomoto)
• Length oplev centering (Enomoto)
• Accelerometer work (Yokozawa, Washimi)
• Interview in the mine (Miyakawa)

Evening

• Finesse measurement (Nakano, Sotsuka)
• IFO works with tuning FPMI lock from 5pm(Nakano, Enomoto)
• Silent run

Weekend

Morning

• Silent run for DET (Yokozawa)
• Wind shield for PR2 and PRM (Akutsu)
• Type A work for EX and EY (Fujii, Lucia, Ushiba, Okutomi, Yamada)
• Damping for Type B (Fabian)

---

Today's work plan: 2019/8/26 1PM - 2019/8/27 1PM

Afternoon

• ASC tutorial at 4pm (Nakano)
• Exchanging coil driver (Yamada)
• Type A work for EX and EY (Fujii, Lucia)
• Damping for Type B (Fabian)
• Some PRs work for oplev control loop until 3pm (Shoda)
• Investigation for ASL glitch noise (Enomoto)
• Finesse measurement from 3pm (Nakano, Sotsuka)

Evening

• Interview at control room at 5pm (Miyakawa)
• IFO works with tuning FPMI lock (Nakano, Enomoto, Michimura)
• Silent run

Weekend

Morning

• Silent run for DET (Yokozawa)
• Type A work for EX and EY (Fujii, Lucia, Ushiba, Okutomi, Yamada)
• Damping for Type B (Fabian)
• Some PRs work for oplev control loop (Shoda)
• ITMY and ETMX cryocooler work.

---

Today's work plan: 2019/8/21 1PM - 2019/8/26 1PM

Afternoon

• Type A work for EX and EY (Fujii, Lucia)
• Damping for Type B (Fabian)
• Automation for finesse measurement (Sotsuka)

Evening

• IFO works with tuning FPMI lock (Nakano, Enomoto, Michimura)

Weekend

• IFO works with tuning FPMI lock (Nakano, Enomoto, Michimura)

8/26 Morning

• Type A work for EX and EY (Fujii, Lucia, Ushiba, Okutomi, Yamada)
• Damping for Type B (Fabian)
• DGS Maintenance for replacing TW SSD (Miyakawa)
• DGS Maintenance for fixing DAQ (Yamamoto, Oshino)
• Exchanging 24V at LSC rack. (Kamiizumi, Shimode)
• Preparation for replacing and arrangement for HPCD.(Aso, Yamada)
  • HPDC modification (Shimode)
• Investigation for ASL glitch noise (Enomoto)
• Cooling valve at IYC will be replaced (Kimura)

---

Today's work plan: 2019/8/20 1PM - 2019/8/21 1PM

Afternoon

• Type A work for EX and EY (Fujii, Lucia)
• Damping for Type B (Fabian)
• Implementation of calm down state for ETMY (Ushiba, Okutomi)
• Connecting BIO cable (Enomoto)
• Some work for AS tube (Michimura)
• Automation for finesse measurement (Sotsuka)
• OMC check (Aso)
• updating DAQ Gardian (Yamamoto)

Evening

• updating DAQ Gardian (Yamamoto)
• IFO works with tuning FPMI lock (Nakano, Enomoto, Michimura)
• Leave IFO locked from night to morning (Nakano, Enomoto)

Weekend

Morning

• IFO works with tuning FPMI lock (Nakano, Enomoto, Michimura)
• Type A work for EX and EY (Fujii, Lucia, Ushiba, Okutomi, Yamada)
• Damping for Type B (Fabian)

---

Today's work plan: 2019/8/19 1PM - 2019/8/20 1PM

Afternoon

• Type A work for EX and EY (Fujii, Lucia, Ushiba, Okutomi)
• Damping for Type B (Fabian)
• Work for PLL for Fiber noise cancel (Enomoto)
• Automation for finesse measurement (Sotsuka)
• Updating spectrum tool (Kozakai)
• Ondotori maintanance (Yokozawa)
• Maintenance for k1dc0 to add memory (Oshino)

Evening

• IFO works with tuning FPMI lock (Nakano, Enomoto)
• Leave IFO locked from night to morning (Nakano, Enomoto)

Weekend

Morning

• Type A work for EX and EY (Fujii, Lucia, Ushiba, Okutomi, Yamada)
  • Tuning IYC length oplev (Ushiba)
• Connecting BIO cable (Enomoto)
• Excahnging k1dc0

---

Today's work plan: 2019/8/16 1PM - 2019/8/19 1PM

Afternoon

• Non linearity check TMY by searching a good position mechanically or check HPCD (Enomoto, Lucia, Nakano)
• Hunting 150mHz on all Type B (Fabian)
• Noise measurement Fiber noise cancel (Sugimoto)
• OMC work (Kokeyama)
• Type A work for EX and EY (Fujii, Lucia)
• Automation for finesse measurement (Sotsuka)
• Updating gif model (Miyo, Yamamoto)

Evening

• IFO works with Yarm for FPMI (Nakano)
• Leave IFO locked from night to morning (Nakano)

Weekend

• Measuring sensing gain for green lock (Enomoto, Sugimoto, Kimura)
• Automation for finesse measurement (Sotsuka)
• IFO works with Yarm for FPMI (Nakano)
• Leave IFO locked from night to morning (Nakano)
• Stopping EPICS gateway on Sat. night or Sun. morning(Yamamoto)

Morning

• DGS maintenance for exchanging k1dc0 and adding a BIO card to k1ioo1 or k1als1 (Yamamoto, Oshino)
• Type A work (Fujii, Lucia)
• Hunting 150mHz on all Type B (Fabian)

---

Today's work plan: 2019/8/15 1PM - 2019/8/16 1PM

Afternoon

• PEM: Noise hunting 44Hz in the PSL room (Yokozawa)
• Type A work for EX and EY (Fujii, Lucia)
• IMC measurement (Guiguo)
• Automation for finesse measurement (Sotsuka)

Evening

• IFO works with Yarm for FPMI (Nakano)
• Leave IFO locked from night to morning (Nakano)

Weekend

• Fiber noise cancel, Enomoto, Sugimoto

Morning

• Exchanging cryo valve unit at EX (Kimura, Yakahashi)
• Type A work (Fujii, Lucia)
• Non linearity check TMX (Enomoto, Lucia)
• PEM: Noise measurement at both END (Yokozawa, Washimi)
• RFM work at 500m in Xarm (Yamamoto, Miyo)
• Noise measurement for fiber noise cancellation (Enomoto, Sugimono)
• Hunting 150mHz on BS (Fabian)

---

Today's work plan: 2019/8/9 1PM - 2019/8/15 1PM

Afternoon

• Hunting ITMY big morion (Lucia)
• Type A work (Fujii, Lucia)
• Work for fiber cancelation for replacing power supply to avoid magnetic field of small DC power supply (Enomoto, Sugimoto)
• SR3 TF measurement (Fabian)
• Restarting DAQ at 5pm (Yamamoto)
• PEM: measure vibration noise of pump (Yokozawa, Kaihotsu)
• PEM: measure fiber noise for ALS (Washimi)
• CAL: AOM will be tested from control room for Y end (Inoue)
• ISS work outside PSL (Yoshioka, Kuromiya, Nakano)
• Covering for TMS at ETMX (Akutsu)

Evening

• Finesse measurement (Nakano)
• IFO works with Yarm for FPMI (Nakano)
• Work for fiber cancelation (Enomoto, Sugimoto)
• Leave IFO locked from night to morning (Nakano)

Weekend

• IFO works with Yarm (Nakano)
• Work for fiber cancelation (Enomoto, Sugimoto)

8/15 Morning

• Type A work (Fujii, Lucia)
• IMC measurement (Guiguo)

---

Today's work plan: 2019/8/8 1PM - 2019/8/9 1PM

Afternoon

• Leak check at ITMY (Kimura)
• Work for fiber cancelation (Enomoto, Sugimoto)
• Measure TF of ITMY for top part by making health check list (Liucia)
• Starting EY cry cooler (Kimura)
• Put cover on TMSX at X end (Akutsu)
• OSTM work (Takahashi)
• CAL: Replacing AOM at ETMY, tuning camera at ETMY (Inoue)
• SR3 TF measurement (Fabian)

Evening

• Work for fiber cancelation (Enomoto, Sugimoto, Akutsu)
• Some IFO work with Yarm (Nakano)
• Leave IFO locked (Nakano)

Weekend

Morning

• Stop ETMX cryo cooler (Kimura)
• SR3 TF measurement (Fabian)
• X fiber noise for temp. control (Enomoto, Sugimoto)
• Type A work (Fujii, Lucia)
• ISS servo in the PLS morning (Yoshioka)

---

Today's work plan: 2019/8/7 1PM - 2019/8/8 1PM

Afternoon

• Lock fiber cancelation, entering PSL and turning off filters (Enomoto, Sugimoto)
• ISS work outside of PSL (Yoshioka, Nakano)
• SR3 noise investigation (Fabian)
• Measure TF of ITMY for top part by making health check list (Liucia)
• OSTM work (Takahashi)
• Exchanging IX oplev source (Akutsu)

Evening

• One arm WFS test with X arm(Nakano)
• Leave IFO locked (Nakano)

Weekend

Morning

• X fiber noise control or temperate control for Y (Enomoto, Sugimoto)
• SR2, 3 noise investigation (Fabian)
• OSTM work (Takahashi)
• Type A work (Fujii, Lucia)

---

Today's work plan: 2019/8/6 1PM - 2019/8/7 1PM

Afternoon

• Opening GV for ITMX (VAC)
• ITMX oplev work before Finesse measurement (Yamada)
• Finesse measurement for Xarm (Nakano)
• Measure TF of ITMY for top and cryopayload by making health check list (Okutomi, Yamada)
• OSTM work (Takahashi)
• WFS centering at REFL (Nakano)
• HDD installation for CAL PC (Darkhan)
• Exchanging PC for VAC mon (Yokozawa)

Evening

• One arm WFS test with X arm(Nakano)
• Leave IFO locked (Nakano)

Weekend

Morning

• Exchanging k1dc0 in early morning 8am (Yamamoto, Oshino)
• Fiber cancelation work (Enomoto, Sugimoto)
• ISS work in the PSL (Yoshioka)
• SR2, 3 noise investigation (Fabian)
• OSTM work (Takahashi)
• Type A work (Fujii, Lucia)

---

Standing issues 2019/8/5

• Sensitivity monitor for various DoF (CAL)
• PEM - measured data sharing (Washimi, Yokozawa)
• How to control the PSL temperature when people enters the room (Miyoki)
• We need IFO commissioning strategy!!!
• One arm WFS test
• DRMI lock stability
  • 3f transition
  • Search for better Gouy phase in PRC
• PRFRMI: with stable 3f signals and ALS extra range, FPPRMI may fix the glitches?
• Arm: transition
  • Y-arm lock
• Try ALS mass lock with FFUs and ACs turned off
• Type-A related
  • Fast shut off feature on type-A after lockloss not to ring (real time model change, Stefan)
  • Implement BF stage control on ALIGNED state on type-A guardian (Kokeyama)
  • United Guardian for all 4 suspensions (Okutomi)
  • Damping
  • Exchanging modified HPCD.
  • Type A: Feed forward technic to suppress extra motion (Nakano)

Meeting archive

---

Today's work plan: 2019/8/5 1PM - 2019/8/6 1PM

Afternoon

• Damping monitor (Okutomi, Lucia)
• Finesse measurement for Xarm. (Nakano)
• Damping work for Type A. (Fujii)
• SR2, 3 noise investigation (Fabian)
• Entering cleaning area for taking pictures (with Yokozawa)
• Cabling ALS fiber noise cancellation (Enomonoto, Miyoki)
• OSTM work for OSEM inve(Takahashi)

Evening

• One arm WFS test (Nakano)

Weekend

Morning

• Fix vacuum monitor (Yokozawa)
• Increasing ITMX temperature (CRY)
• Entering cleaning area for taking pictures (with Kokeyama)
• SR2, 3 noise investigation (Fabian)
• Installation circuit to ITMY, and control test (Yamada)
• OSTM work (Takahashi)
• Fixing k1IOO1 (Yamamoto)
• IXV work (Fujii)

---

Today's work plan: 2019/8/1 1PM - 2019/8/2 1PM

Afternoon

• GV opened last night
• ITMY release ongoing (CRY, VIS)
• After releasing, ITMY alignment using MICH (Nakano, CRY, VIS)
• Fabian will investigate the difference between FLOAT and ALIGNED (Fabian)
• Finesse re-measurement (Nakano) - We might want to warm up IY. To be discussed. Maybe if 70-80K doesn't recover the finesse.
• Type-A common guardian
• Oplev swap for IMMT2
• Oplev swap for PR2 if possible with IFO

Evening

• Finesse measurement
• Arm transition method commissioning

Morning

• Continued SRs study (Fabian)
• IY final checks (earthquake stops etc) and cleaning (Aso, Ushiba)

We want a sensitivity monitor!

We want to plan Feedforward on typeA!

We want to decide the Commissioning strategy!

Note

• IY chamber will be closed on Saturday

---

Today's work plan: 2019/8/2 1PM - 2019/8/5 1PM

Afternoon

• ITMY problem investigation (CRY&VIS)

• Finesse measurement (Nakano)
• X-arm transition (Nakano)
• ISS (Yoshioka)
• ITMX Type-A control (VGAS oscillation) (Lucia)
• PEM measurements around IFO REFL (Yokozawa)
• ALS fiber noise cancellation (Enomonoto)

Weekend

• Fiber noise cancellation
  • Turn off FFU, ACs

8/5 Morning

• ITMY pumping (VIS, CRY)
• SR2, 3 noise investigation (Fabian)
• DGS maintenance (Yamamomot, Oshio, Miyakawa)
  • dc0 replacement
  • Add BIO to k1ioo1
• Installation of circuit to ALS (Enomoto)

---

Today's work plan: 2019/8/1 1PM - 2019/8/2 1PM

Afternoon

• GV opened last night
• ITMY release ongoing (CRY, VIS)
• After releasing, ITMY alignment using MICH (Nakano, CRY, VIS)
• Fabian will investigate the difference between FLOAT and ALIGNED (Fabian)
• Finesse re-measurement (Nakano) - We might want to warm up IY. To be discussed. Maybe if 70-80K doesn't recover the finesse.
• Type-A common guardian
• Oplev swap for IMMT2
• Oplev swap for PR2 if possible with IFO

Evening

• Finesse measurement
• Arm transition method commissioning

Morning

• Continued SRs study (Fabian)
• IY final checks (earthquake stops etc) and cleaning (Aso, Ushiba)

We want a sensitivity monitor!

We want to plan Feedforward on typeA!

We want to decide the Commissioning strategy!

Note

• IY chamber will be closed on Saturday

---

Today's work plan: 2019/7/31 1PM - 2019/8/1 1PM

Commissioning leader: Miyakawa (July 29-30), Aso (August 1-3)

Afternoon

• ITMY: BF work. (Okutomi, Sato, Fujii)
• ITMY: H1 actuator investigation. (Ushiba, Yamada)
• PEM: Reporting Temperature. (Yokozawa)
• VAC, MIF: Opning GV, alingment. (Saito, Nakano, Michimura, Akutsu)
• ASO: Small works at ETMX (Akutsu)
• Replacing light source for IMMT2. (Akutsu)
• Type B: Back to aligned mode. (Fabian)
• DET: replacing OS of DET computer for offline analysis. (T.Yamamoto)
• CAL: Xend Tcam will be touched. (Inoue)

Evening

• IFO some work. (Nakano, Michimura, Akutsu)
• VIS work can be done for Y arm work since Y arm is not available for a while. (Fujii, Okutomi)

Weekend

Morning

• Releasing ITMY suspension. (Ushiba)
• PSL work for grounding problem. (Nakano)
• Maintenance for Ondotori at X-end (T.Yamamoto)

---

Today's work plan: 2019/7/30 1PM - 2019/7/31 1PM

Commissioning leader: Miyakawa (July 29-30), Aso (August 1-3)

Afternoon

• Fix ITYM F0 motor and to check BF. (Okutomi, Sato, Fujii)
• Check H1 actuator. (Ushiba, Tomaru, Yamada)
• ALS: Tuning returning beam at center area, and in PSL room shortly. (Enomoto, Sugimoto)
• Connecting tube on the AS table. (Michimura)
• ISS: work for servo in the PSL for 30min. (Yoshioka, Nakano)
• AOS: Some small works in the center room for oplev. (Akutsu)
• PEM: test a new sensor at IY0 rack. (Yokozawa, Washimi)
• BS: measurement of noise. (Fabian)

Evening

• IFO some work. (Nakano, Michimura, Akutsu)

Weekend

Morning

• DGS maintenance for exchanging k1dc0, adding BIO cards to k1ioo1 for ALS control (Yamamoto, Oshino)
  • VIS should go safe mode. (Fabian)
  • DC power source will be exchanged at ALS0 and ALS1 rack. (Kamiizumi)
• Fix ITYM F0 motor and to check BF. (Okutomi, Sato, Fujii)
• Connecting tube on the AS table. (Michimura)
• AOS: Some small works at Y end for oplev. (Akutsu)
• PEM: work around IYC chamber. (Yokozawa, Washimi)

---

Today's work plan: 2019/7/26 1PM - 2019/7/30 1PM

Commissioning leader: Miyakawa (July 29-30), Aso (August 1-3)

Afternoon

• Monitor for venting ITMY (Okutomi)
  • Updating RT model for Type A, except for ITMY (Okutomi)
• ASC test on ITMX (Ushiba)
• ETMX work (Fujii)
• SR3 work for control loop IM yaw (Fabian)
• OMC characterization with control (Kokeyama, Somiya)
• Fiber noise cancellation at control room(Enomoto, Sugimoto)
• ISS put wind shield outside PSL (Yoshioka, Kukromiya)

• Pick up Moku:Lab (Guiguo)

• Stop venting around the evening (Ushiba)
• Checking cable noise for PEM (T.Takana)
• PEM: Vibration measurement at IXC (Yokozawa)
• Measurement for PRs (Shoda)

Evening

• Fiber noise cancellation (Enomoto)

Weekend

• Fiber noise cancellation work at PSL on Saturday and Sunday(Enomoto, Sugimoto)
  • Changing optics for Yarm.
• Venting again on Sunday morning (Ushiba)
  • Monitor for venting ITMY (Okutomi)
• ETMX work on Saturday and Sunday(Fujii)

Monday Morning

• SRs TF measurement, off load (Fabian)

Monday Aftenoon

• SRs TF measurement, off load (Fabian)

Monday Evening

---

Today's work plan: 2019/7/25 1PM - 2019/7/26 1PM

Commissioning leader: Miyakawa (22nd-26th)

Afternoon

• Fixing ITMY stuck (Okutomi)
• ASC test on ITMX (Ushiba)
• ETMX work (Fujii)
• SR3 work for control loop IM yaw (Terrence)
• Cabling for BIO this afternoon (Enomoto)
• Xarm ALS hand over to IR using TR (Enomoto)
• OMC characterization with control (Kokeyama, Darkhan)

Evening

• Xarm ALS hand over to IR using TR (Enomoto)

Weekend

Morning

• ITMY damping (Okutomi)
• Type A work (Fujii)
• ITMX damping (Ushiba)
• Cryo cooler valve exchange (Kimura, Ushiba)
• SR3 TF measurement (Fabian)
• Automation for SR3 and SRM (Shoda)
• Noise source by cable or something in the center room (Yokozawa)
• Setting magnet meter at Y end (Yokozawa)

---

Today's work plan: 2019/7/24 1PM - 2019/7/25 1PM

Commissioning leader: Miyakawa (22nd-26th)

Afternoon

• Replacing LVDT driver on SR3(Fabian)
• Single arm locking (Nakano)
• Fix AC to stablize temeparute (Miyoki)
• ITMY damping (Okutomi)
• Maintenance for Ondotori (Yokozawa, T. Tanaka)
• ALS model medication (Enomoto, Sugimoto)
• MZ in PSL room for a hour (Guiguo)
• OMC characterization with control (Kokeyama, Darkhan)

Evening

• ALS hand over to IR using TR (Nakano, Enomoto)
• DRFPMI lock (Nakano, Enomoto)

Weekend

Morning

• ITMY damping (Okutomi)
• Type A work (Fujii)
• SR3 OSEM check (Fabian, Terrence)
• Automation for Suspensions except for SR3 (Shoda)

---

Standing issues

• Try FPPRMI: with stable 3f signals and ALS extra range, FPPRMI may fix the glitches?
• Fast shut off feature on type-A after lockloss not to ring (real time model change, Stefan)
• Y-arm lock
  • ETMY suspension control
  • ITMY damping
    • One IM magnet is broken. Need a different strategy. Use MN ? (Yamada, Okutomi)
• DRMI lock stability
  • Model HOM-PHD signal distortion (Aso, Kokeyama)
  • Search for better Gouy phase in PRC
• Initial alignment automation (Nakano)
• IFO configuration Guardian (Kokeyama)
• SDF for all the VIS (Shoda, Okutomi)
• Type-A related
  • Implement BF stage control on ALIGNED state on type-A guardian (Kokeyama)
  • United Guardian for all 4 suspensions (Okutomi)
  • Damping
  • Exchanging modified HPCD.
  • Type A: Feed forward technic to suppress extra motion (Nakano)
• Type-B related
  • SR3 Yaw motion is too large (Fabian, Terrence)
• Type-C related
  • OSEM characterization for OSTM (on going, Takahashi)
• OMC
  • Check the OMC on the AS table
  • OMC characterization with control
• Laser safety
  • Debug the laser safety guardian (Nakano)
• IR QPD, centering on IR , green QPD at ETMY (Akutsu)
• AS tube installation on 7/30-31 (Michimura)
• Valve unit exchange for ITMX on 7/26 for 1-2 hours (Kimura)
• Fiber noise cancellation on Saturday (Enomoto, Sugimoto)

---

Today's work plan: 2019/7/23 1PM - 2019/7/24 1PM

Commissioning leader: Miyakawa (22nd-26th)

Afternoon

• PEM: 320.5Hz noise (Yokozawa)
• Preparation for fiber noise cancellation (Enomoto, Sugimoto)
  • This turns on air filters.
• OMC control (Kokeyama, Darkhan)
• ALS hand over to IR(Stefan, Valera, Nakano)

Evening

• ALS hand over to IR (Stefan, Valera, Nakano)
• DRFPMI lock (Stefan, Valera, Nakano)

Weekend

Morning (Monday)

• ITMY damping (Okutomi)
• Type A work (Fujii)
• SR3 OSEM check (Fabian)
  • DGS maintenance for prm or srm.
• Adding BIO card to k1als0, k1ioo1.
• Exchanging old type modified HPCD. (Ushiba, Takahashi)
• ISS control servo (Yoshioka, Kokeyama)

---

Today's work plan: 2019/7/22 1PM - 2019/7/23 1PM

Commissioning leader: Miyakawa (22nd-26th)

Afternoon

• Exchanging HPCD(Fabian, Washimini)
  • check the range of new HPCD using oplev (Valera, Nakano).
• ITMY damping (Okutomi)
• ALS sweep to find IR resonance (MN, VF)
  • TEMP00 lock with dither(Nakano).

Evening

• ALS sweep to find IR resonance (MN, VF)
• DRMI lock (Stefan)

Weekend

Morning (Monday)

• ITMY damping (Okutomi)
• SR3 OSEM check (Fabian)
• Type A: Feed forward technic to suppress extra motion (Nakano)

---

Today's work plan: 2019/7/19 1PM - 2019/7/22 1PM

Commissioning leader: Aso (19th), Miyakawa (22nd)

Afternoon

• ALS sweep to find IR resonance (MN, VF)
• Start X-End cryocooler (Yamada, TakahashiM)
• Implement BF stage control on ALIGNED state on type-A guardian (Kokeyama)
• ISS servo setup and OLTF measurement (Yoshioka, Kuromiya, Yamamoto)

• Serial number check of OpLev SLDs (Yamada)

Evening

• ALS sweep to find IR resonance (MN, VF)

Weekend

• IFO configuration guardian (Kokeyama, Saturday)
• Modification of the IMC servo (Enomoto, Sunday)

• Transition to IR (Nakano, Valera, Sat & Sun)

• TF measurement of Type-A (Yamada, Saturday morning)
• ITM actuator efficiency measurement (Sun morning ?)

Morning (Monday)

• SR3 OSEM check (Fabian)

---

Today's work plan: 2019/7/17 1PM - 2019/7/18 1PM

Commissioning leader: Aso (July 17th-19th)

Afternoon

• ETMY HP coil driver check (Takahashi, Yamada)
  • Watchdog, Output resistance, Cable resistance, Take a picture of the PCB
• Check the maximum current acceptable by the in-vac cable.
  • Calculate theoretical limit (Ushiba)
• AS alignment (Kokeyama et al)
• SR3 OSEM check (Fabian, Terrence)
• Y-arm mass lock trial (SB, EY, MN, et al)
• ISS work (Yoshioka, Nakano)

Evening

• Y-arm mass lock trial (SB, EY, MN, et al)
• Type-A guardian work on ETMX (Kokeyama)
• DRMI investigation ? (SB, EY, MN, et al)
• Found Y end coil needed more range, more drive for MN (dominate 10Hz sensing noise limited, cross over)

Note

• DC feedback works perfect
• Tcam alignment system is done (see from camera screen)
• ALIGNED guardian on ETMX (test phase)

Morning

• HP coil driver modification ? (Yamada, Fabian, Terrence)

---