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PEM (Center)
takaaki.yokozawa - 9:09 Sunday 07 June 2020 (14480) Print this report
Acoustic injection to REFL table 20200607

[Yokozawa]

We performed the additional acoustic injection to REFL table area at 6/7(Sun) 6:00-9:00

6:22 Interferometer locked

6:27 110.5-130.5Hz 21point 10s line injection 200count

6:32:30 110.5Hz-130.5Hz 21point 10s line injection 300count

6:40 120Hz 300count line injection

6:45 118Hz 300count line injection

6:50 116Hz 300count line injection

6:55 114Hz 300count line injection

7:00 116Hz 200count line injection

7:05 116Hz 100count line injection

7:10 117Hz 300count line injection

(7:11 large POP90I decreasing, sensitivity curve fluctuate)

7:15 lock  loss

8:01 Lock recorvered

8:05 60-110 Hz 51point 10s line injection 300 count

8:17 60-110 Hz 51point 10s line injection 450 count

8:27 silent run

8:34 85Hz 100count line injection

8:39 silent run

8:45 90Hz 100count line injection

8:50 80Hz 100count line injection

8:55 silent run

9:00 85Hz 200count line injection

9:05 finish!

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