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MIF (Noise Budget)
yuta.michimura - 9:15 Sunday 15 March 2020 (13560) Print this report
Comment to Noise budget for PRFPMI (13481)

I have updated NB for PRFPMI on Mar 9, 2020.

The NoiseBudgetter configuration file lives in
/kagra/Dropbox/Subsystems/MIF/NoiseBudget/PRFPMI/NPconf_20200314_1836.csv

Details:
* Shot noise
 - Updated to use Aso calculation in klog #13475. Cavity pole was set to 22.2 Hz (previously 22 Hz). I got this number from DARM reconstruction filter (from FM2 filter in K1:CAL-CS_PROC_DARM_FILT_INVC).
 - Modeled with 7.4e-20*(1+(freq/cavity_pole)**2)**0.5.
 - Shot noise based on Enomoto-kun's calculation scaled with current power (see klog #13481), and theoretical calculation based on (see klog #13485), and Aso-san's measurement agree within 30% (see attached).

* MICH and PRCL coupling
 - I used /users/yokozawa/Data/PRFPMI/MICH_PRCL_TO_DARM/200312/TF_MICH_DARM_200312.txt and /users/yokozawa/Data/PRFPMI/MICH_PRCL_TO_DARM/200312/F_PRCL_DARM_200312.txt are used for coupling function and K1:LSC-MICH_IN1_DQ and K1:LSC-PRCL_IN1_DQ as witness channels.
 - see klog #13518

* Type A controls noise
 - I didn't updated this but someone please!
 - see klog #13508

I also added comments to each noise (Thank you Shoda-san for the bug fix!)

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