KAGRA Logbook

I performed the PEM injection test, especially the acoustic injection to PSL room
EXC : K1:PEM-EXCITATION_MCF0_RACK_13_EXC

2026/01/30 05:06:00 - 05:26:00
300 - 400 Hz, 1 Hz resolution, 10 s in each frequency, 100 cnt

2026/01/30 05:27:00 - 05:47:00
300 - 400 Hz, 1 Hz resolution, 10 s in each frequency, 100 cnt

Locked loss

2026/01/30 06:33:00 - 07:13:00
100 - 300 Hz, 1 Hz resolution, 10 s in each frequency, 100 cnt

2026/01/30 07:15:00 - 07:50:00
50 - 900 Hz, 5 Hz resolution, 10 s in each frequency, 100 cnt

2026/01/30 07:50:00 - 08:05:00
Silent run

2026/01/30 08:05:00 - 08:15:00
White injection, all frequency, 1000 cnt (Fig.1.)

2026/01/30 08:15:00 - 08:25:00
White injection, 280 - 420 Hz, 1000 cnt

2026/01/30 08:25:00 - 08:30:00
White injection, 280 - 420 Hz, 2000 cnt

2026/01/30 08:25:00 - 08:30:00
White injection, 280 - 420 Hz, 2000 cnt

2026/01/30 08:30:00 - 08:35:00
White injection, 180 - 220 Hz, 2000 cnt

2026/01/30 08:35:00 - 08:40:00
White injection, 80 - 220 Hz, 2000 cnt

2026/01/30 08:40:00 - 08:45:00
White injection, 380 - 520 Hz, 2000 cnt

2026/01/30 08:45:00 - 08:50:00
White injection, 480 - 620 Hz, 2000 cnt

2026/01/30 08:50:00 - 08:55:00
White injection, 580 - 720 Hz, 2000 cnt

2026/01/30 08:55:00 - 09:00:00
White injection, 680 - 820 Hz, 2000 cnt