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⇤ ← Revision 1 as of 2022-06-27 08:21:45
Size: 2364
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Size: 1946
Comment:
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| Deletions are marked like this. | Additions are marked like this. |
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| * Date : 2022/06/20 | * Date : 2022/06/27 |
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| * 6/20 - 6/24 Leak of End Y * 6/27 - Repair the leak point and start the pumping down |
* 6/27 - EY : Repair the leak point and start the pumping down |
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| * 7/25 - 7/29 Acceptance check * 8/1 - Closing the center area |
* 7/25 - 7/29 Acceptance check ~PR2 * 8/1 - 8/5 Closing the center area ~PR2 * 8/8 - 8/19 (Including Obon) Acceptance check ~SRM * 8/22 - 8/26 Closing the center area ~SRM * 8/29 - 9/2 Leak test |
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| * Mid size baffle installation | * Mid size baffle installation (SR3, SRM) * SRM replacement (Week of 7/4) |
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| * High power laser installation * (LVK information) * O4a will start March 2023 [[https://observing.docs.ligo.org/plan/|web]] |
* High power laser installation (Week of 7/4) |
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| * X arm commissioning * Investigation of the noise in the new oplev light source |
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| * IY leak test done [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=21135|klog#21135]] * IY oplev windshield installed [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=21192|klog#21192]] * End Y : Start the leak (very slowly to avoid the dust.) * 1 week leaking, fixing early next week [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=21191|klog#21191]] |
* End Y : Leak done |
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| * MICH fringe detected ([[https://klog.icrr.u-tokyo.ac.jp/osl/?r=21149|klog#21149]]) * Mirror cleaning(first contact) and mid-size baffle installation * PR2 : Installed * SR2 : Installed [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=20205|cleaned]] * BS : Installed [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=20857|cleaned]] * PRM : Installed [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=20702|cleaned]] * PR3 : Installed [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=21082|cleaned]] * SR3 : Not yet [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=21212|cleaned]] * SRM : Not yet (When replacement?) [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=21208|cleaned]] * Others * ITMX glitch from ADC [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=21185|klog#21185]] * PR traverser limit switch install * Green related work |
* Suspension health check Type-Bp's * Mirror cleaning SR3 and SRM * Investigation of the X-arm fiber noise cancellation * We cannot keep control for the long time * We have to fix it before starting the ALS DARM commissioning * Study for installation of the new laser * Alignment check by using heavy mass |
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| * Glitch investigation of the ITMX ADC * Glitch investigation of the MN oplev light source |
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| * OMC * Invesigation will continue after closing the center area * Because the BS is too fluctuate, it became difficult to investigate |
KAGRA Commissioning status at DET meeting
- Date : 2022/06/27
Overall schedule
- (In case of no trouble)
- 6/27 - EY : Repair the leak point and start the pumping down
- 6/20 - 7/1 Suspension commissioning Type-Bp
- 7/4 - 7/8 Interferometer commissioning
- 7/11 - 7/22 Suspension commissioning Type-B
- 7/25 - 7/29 Acceptance check ~PR2
- 8/1 - 8/5 Closing the center area ~PR2
- 8/8 - 8/19 (Including Obon) Acceptance check ~SRM
- 8/22 - 8/26 Closing the center area ~SRM
- 8/29 - 9/2 Leak test
- Mid size baffle installation (SR3, SRM)
- SRM replacement (Week of 7/4)
- ISS installation
- High power laser installation (Week of 7/4)
Progress of commissioning
- X arm commissioning
- Investigation of the noise in the new oplev light source
- Y arm commissioning
- End Y : Leak done
- Center area commissioning
- Suspension health check Type-Bp's
- Mirror cleaning SR3 and SRM
- Investigation of the X-arm fiber noise cancellation
- We cannot keep control for the long time
- We have to fix it before starting the ALS DARM commissioning
- Study for installation of the new laser
- Alignment check by using heavy mass
Interesting data
- X arm cavity
- Both IR and GR
- Glitch investigation of the ITMX ADC
- Glitch investigation of the MN oplev light source
- Y arm commissioning
- Both IR and GR
- Center area commissioning
- Main IR
- IMC (Input Mode Cleaner)
- ASC (Alignment Sensing and Control) done
- Long term stability check
- Beam power, beam position, oplev monitoring
- Glitch investigation
- Temperature dependence
- Relationship between PSL room
- With PEM channels
- (Hammering test?)
- OMC
- Invesigation will continue after closing the center area
- Because the BS is too fluctuate, it became difficult to investigate