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ayaka.shoda - 16:58 Tuesday 19 November 2019 (11638) Print this report
ETMX noise budget quick report

I am calculating the noise coupling due to the damping loop using the theoretical model.
Here, I will submit the preriminary result.

The attached is the DARM and expected ETMX mirror displacement (L) due to the ETMX_MN_MNOLDAMP loop and ETMX_IM_TMOLDAMP loop.
Though something seems to be worng since the estimated displacement is larger than DARM, it might gives you rough idea where the control noise would be.

* Next:

- Find what makes the noise estimation larger than the DARM.

Images attached to this report
Comments to this report:
ayaka.shoda - 13:40 Monday 25 November 2019 (11729) Print this report

Sorry, I forgot ot convert micro-meter to meter.... Forget about this log.
The contribution from the damping loop is 1.e-9 smaller than plotted.

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