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VIS (General)
lucia.trozzo - 17:20 Wednesday 11 March 2020 (13474) Print this report
Comment to TypeA noise projection (13470)

[Ushiba, Lucia]

We used the TFs and the Yamada-kun script to make the typeA control noise projection when the best sensitivity curve has been measured:
-time: 2020/03/09 13:57 UTC
-  BNS 594 Kpc

The attached plots show the control noise projection for each TypeA suspension and the total contributions.

Looking at these plots seems that @ 100 Hz, the ITMX MNL_PS control noise is limiting the sensitivity.

To reduce this re-injection of noise,we are planning to add an addition rolloff filter in the PS_MN_L control for all typeA suspensions.

Note:

The data, the script (plot.py) ans TFs are saved in:

/kagra/Dropbox/Subsystems/VIS/AutoMeasurement/TypeA/Noisebudget_py

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