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AdV-SGD (FDS commissioning)
vardaro - 15:58 Friday 13 March 2026 (68877) Print this report
Comment to Attempt to re-inject SQZ into the interferometer (68870)

This morning I went in DET e room and i realized that the Frequency generator used as actuator of the CC loop was not setted with DC External modulation. I adjusted it Fig1. I also measured the frequency of the Generator in DET E room and the one in INJ Eroom to check if their frequency where similar

After the first lock I setted the CC DAC offset at 0.045 and I managed to close the CC loop and the AA loop. The magnitude of the CC is still 2mV and before the shatdown was higher than 2.7mV 

We need to realign everything more carefully. Next week we will continue 

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