Reports until 19:33, Tuesday 20 June 2023
H1 ISC
naoki.aritomi@LIGO.ORG - posted 19:33, Tuesday 20 June 2023 (70642)
Instruction of laser noise injection for noise budget

Naoki, Sheila

As part of noise budget with 75W, we did laser noise injection (frequency noise, intensity noise, jitter noise). Here is the instruction of laser noise injection.

The injection templates are in ligo/gitcommon/NoiseBudget/aligoNB/aligoNB/H1/coupling.

Frequency noise

template: Frequency_excitation.xml

Switch CARM control from REFL A+B to REFL B only:

Measurement:

Intensity noise 

template: ISS_excitation_LF.xml, ISS_excitation_MF.xml, ISS_excitation_HF.xml

Jitter noise

template: IMC_PZT_P_inj.xml, IMC_PZT_Y_inj.xml

Images attached to this report