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Size: 11055
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| Deletions are marked like this. | Additions are marked like this. |
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| === 2018/4/25(Wed.) === | === 2018/4/26(Thur.) === |
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| * IFO: *Izumi, Enomoto, Nakano + many * Michelson lock lasted ~40min with Guardian. * ETMX had some drift. It may cause lock down. * Modulation frequency was not tuned yet to iMC length. * Measurement of AM conversion can know the matching of mod. freq. to iMC length. * PR3: Oplev has glitch. The laser source of oplev may be a cause. Needs fiber cleaner to exchange the laser. * BS: *Eleonora, Izumi, Arai * BS IM feed back was engaged. * Target crossover was originally 3Hz but actual crossover was limited up to ~0.1Hz, because 1.25Hz peak disturbed control. * Gain of some loops of oplev servo changed stronger. * CAL: *Yamamoto, Enomoto, Izumi * Optical measumremnt was measured. * Sensitivity is shown in the control room, being calculated from H(t). * Injection: *Miyamoto, Yokozawa * Noise budget: *Michimura, Enomoto * IOO: *Kokeyama, Enomoto * MCE trans was clipped. Output PSL was going down to bottom direction, and it was a cause of clipping. This clipping does not affect to IFO control. * ETMX: *Hasegawa, Nakano, Enomoto * ETMX has some drift for 10-20urad. * ETMY: *Nakano, *Shishido, Ushiba, Miyamoto * ETMY need L damping. * Gardian was implemented. |
* IFO: *Izumi, Enomoto + many * Michelson gardian was implemented. Lock is identified by the REFL and a tripped state of BS. * Lock lasts typically several of 10 minutes. * PR2 had a jump caused by a DAC glitch once a day. Sampling rate will be lowered? * PR3 also had jumps caused by DAC glitches. * Whitening filter was implemented at demodulated signal of RFPD. Sensitivity will be improved. * Modulation frequency was tuned to iMC length. Optical gain increased 1.4 times. |
| Line 90: | Line 65: |
* BS: *Eleonora, Izumi, Arai * Opleve loop gains will change stronger. * CAL: *Yamamoto, Enomoto, Izumi * Cal signal will be injected. |
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| Line 121: | Line 90: |
* PR2 had a jump caused by a DAC glitch once a day. Sampling rate will be lowered? * PR3 also had jumps caused by DAC glitches. |
KAGRA Commissioning Wiki
Task list
Schedule
2017/4/17 updated 
Working people assignment
- *: responsible person
Meetings
Morning meeting
- Date and time: Every weekday, 9AM
- Location: Control room, or eZuce
2018/4/26(Thur.)
* Remote participants by eZuce: None
Report of work (*:responsible person)
- IFO: *Izumi, Enomoto + many
- Michelson gardian was implemented. Lock is identified by the REFL and a tripped state of BS.
- Lock lasts typically several of 10 minutes.
- PR2 had a jump caused by a DAC glitch once a day. Sampling rate will be lowered?
- PR3 also had jumps caused by DAC glitches.
- Whitening filter was implemented at demodulated signal of RFPD. Sensitivity will be improved.
- Modulation frequency was tuned to iMC length. Optical gain increased 1.4 times.
Work plan (*:responsible person)
- IFO: *Izumi, Enomoto, Nakano + many
- Measurement without locking morning, measurement with locking in the afternoon.
Laser hazard
- [AM]
- IR: Upstream SR2-3 line, Xend 1F, Yend 1F
- Green: PR2, Xend 1F
- [PM]
- IR: Upstream SR2-3 line, Xend 1F, Yend 1F
- Green: PR2, Xend 1F
- [night]
- IR: Upstream SR2-3 line, Xend 1F, Yend 1F
- Green: PR2, Xend 1F
Weekly
- week of 4/23
- Michelson control.
- 4/28 Operation start
Issues
- PR2 had a jump caused by a DAC glitch once a day. Sampling rate will be lowered?
- PR3 also had jumps caused by DAC glitches.
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Weekly meeting
- Date and time: Every Tuesday, 11AM
- Location: Meeting room at Hokubukaikan, or eZuce, Polycom
No. |
Date |
Agenda |
Schedule |
Minute |
Files |
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27 |
2018/4/17 |
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26 |
2018/4/10 |
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25 |
2018/4/3 |
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24 |
2018/3/27 |
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23 |
2018/3/20 |
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22 |
2018/3/13 |
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21 |
2018/3/6 |
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20 |
2018/2/27 |
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19 |
2018/2/20 |
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18 |
2018/2/13 |
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17 |
2018/2/6 |
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16 |
2018/1/30 |
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15 |
2018/1/23 |
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14 |
2018/1/16 |
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13 |
2018/1/9 |
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12 |
2017/12/19 |
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11 |
2017/12/12 |
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10 |
2017/11/28 |
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9 |
2017/11/14 |
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8 |
2017/11/7 |
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7 |
2017/10/31 |
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6 |
2017/10/24 |
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5 |
2017/10/17 |
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4 |
2017/10/10 |
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3 |
2017/10/3 |
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2 |
2017/9/26 |
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1 |
2017/9/19 |
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Other meetings
Meeting for pump down test at ETMX 2 (Minute, Check list)
Meeting for pump down test at ETMX 1 (Minute, Check list)
Meeting for pump down test at Center are (Minute, Check list)
Meeting for pump down and cooling at ETMY3 (Minute, Check list)
Meeting for pump down and cooling at ETMY2 (Minute, Check list)
Meeting for pump down and cooling at ETMY1 (Minute, Check list)
Meeting for closing ETY (Minute)
Meeting about PR2 pitch misalignment (Minute)
Documents
Communication tools