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Size: 2916
Comment:
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Size: 1373
Comment:
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| Deletions are marked like this. | Additions are marked like this. |
| Line 16: | Line 16: |
| * (LVK information) * O4a will start March 2023 |
|
| Line 18: | Line 21: |
| * Y arm commissioning * IY leak test done * IY oplev windshield installed |
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| Line 19: | Line 25: |
| === Interesting data === * Overall schedule * End of July - End of August : Pumping down center area * Sep - Commissioning * X arm commissioning * Both IR and GR cavity lock keeping * IX : Cooling down the duct shield TM~250 K * EX : Cooling down the duct and two radiation shield TM~110K * Finesse and TM position by TCam are ongoing * TMSX optical table characterization : early July : After this, we can start ASC * Y arm commissioning * Pumping down started * EY has leak point, we will open the chamber soon * IR and GR lock succeeded! * Center area commissioning * Main IR * Table configuration : ongoing * IFO refl table [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=9238|JGWDoc9238]] * POP (Pick of PR2) table [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=9623|JGWDoc9623]] * POP forward QPD installed * Interesting channel for X arm IR lock : [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=14080|JGWDoc14080]] |
* Center area commissioning |
| Line 46: | Line 31: |
| * PR3 : First contact (maybe) done | * PR3 : Installed |
| Line 49: | Line 34: |
| * ITMX glitch from ADC(?) === Interesting data === * X arm cavity * Both IR and GR * Y arm commissioning * Both IR and GR * Center area commissioning * Main IR |
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| Line 51: | Line 48: |
| * Interesting point * Long term stability check * Beam power, beam position, oplev monitoring * Glitch investigation * Temperature dependence * Relationship between PSL room * With PEM channels * (Hammering test?) * Suspension commissioning : ongoing * PR's suspension middle of June - end of June (two weeks) * OMC installation : done * Some unexpected glitch : circuit? * Alignment : partially done : BS fluctuation large and SRM replacement * TF measurement : ongoing * High power laser * Accepted to install to KAGRA site * When exchange the laser source : Unknown * ISS (Intensity Stabilization System) installation : unknown * Must item before closing chamber * Interferometer commissioning * X and Y arm IR cavity lock check * Green laser system * Fiber noise cancelling check * ISC (Interferometer Sensing and Control, LSC and ASC) * Next : ALS DARM lock? * Action items before closing chamber : Will discuss tomorrow |
* Long term stability check * Beam power, beam position, oplev monitoring * Glitch investigation * Temperature dependence * Relationship between PSL room * With PEM channels * (Hammering test?) |
KAGRA Commissioning status at DET meeting
- Date : 2022/06/20
Overall schedule
- (In case of no trouble)
- 6/20 - 6/24 Leak of End Y
- 6/27 - 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
- 8/1 - Closing the center area
- (LVK information)
- O4a will start March 2023
Progress of commissioning
- Y arm commissioning
- IY leak test done
- IY oplev windshield installed
- Center area commissioning
- Mirror cleaning(first contact) and mid-size baffle installation
- PR2 : Installed
- SR2 : Installed
- BS : Installed
- PRM : Installed
- PR3 : Installed
- SR3 : Not yet
- SRM : Not yet (When replacement?)
- ITMX glitch from ADC(?)
- Mirror cleaning(first contact) and mid-size baffle installation
Interesting data
- X arm cavity
- Both IR and GR
- 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?)