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← Revision 62 as of 2010-06-03 14:34:47 ⇥
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| ||Parameter||LCGT BRSE(2004)||LCGT BRSE(2009)||LCGT DRSE(2009)||units|| ||Initial Laser Power|| || || ||W|| ||Modulation depth||0.1|| || || || ||RF freq 1||()|| || ||MHz|| ||RF freq 2||()|| || ||MHz|| ||1st MC length|| || || ||m|| ||2nd MC length|| || || ||m|| ||1st MC FSR|| || || ||MHz|| ||2nd MC FSR|| || || ||MHz|| || || || || || || ||EM Reflectivity|| || || || || ||FM Reflectivity|| || || || || ||PRM Reflectivity|| || || || || ||SRM Reflectivity|| || || || || ||BS Reflectivity|| || || || || ||EM Transmissivity|| || || || || ||FM Transmissivity|| || || || || ||PRM Transmissivity|| || || || || ||SRM Transmissivity|| || || || || ||BS Transmissivity|| || || || || ||EM Loss|| || || || || ||EM Loss|| || || || || ||PRM Loss|| || || || || ||SRM Loss|| || || || || ||Loss L(BS)|| || || || || || || || || || || ||Arm cavity length|| || || ||m|| ||PR cavity length|| || || ||m|| ||PRM-BS length|| || || ||m|| ||BS-FM X length|| || || ||m|| ||BS-FM Y length|| || || ||m|| ||Asymmetry length|| || || ||m|| ||SR cavity length|| || || ||m|| ||SRM-BS length|| || || ||m|| ||SRC detuning phase|| || || ||degree|| || || || || || || ||Arm cavity Finesse|| || || || || ||PRC cavity Finesse|| || || || || ||Arm power gain|| || || || || ||PR gain|| || || || || ||SR gain|| || || || || || || || || || || ||EM mass|| || || ||kg|| ||FM mass|| || || ||kg|| ||PRM mass|| || || ||kg|| ||SRM mass|| || || ||kg|| ||BS mass|| || || ||kg|| || || || || || || ||EM ROC|| || || ||m|| ||FM ROC|| || || ||m|| ||PRM ROC|| || || ||m|| ||SRM ROC|| || || ||m|| ||BS ROC|| || || ||m|| || || || || || || ||EM AR Reflectivity|| || || || || ||FM AR Reflectivity|| || || || || ||PRM AR Reflectivity|| || || || || ||SRM AR Reflectivity|| || || || || ||BS AR Reflectivity|| || || || || || || || || || || ||EM AR Loss|| || || || || ||FM AR Loss|| || || || || ||PRM AR Loss|| || || || || ||SRM AR Loss|| || || || || ||BS AR Loss|| || || || || ---- Length Sensing Scheme Review by Somiya (Japanese) [[attachment:lcgtrse.pdf]] Length Sensing Scheme Review for advLIGO by Somiya [[attachment:AdvLIGO-LSCv4.pdf]] ---- I tried to log in but I'm not sure if I am in, so in case, this is Fumiko :) Here I put some kat files I used for calculating LCGT signal matrix. LCGT.kat has all the parameters that are used. Note that it was written more than a year ago, and they are not updated. I will list these parameters when I can here, outside the kat file but for now I just attach some files. Also note that they are the same as what Andreas Freise has, because I made these when he needed to collect some LCGT parameters and some kat files and so on. Maybe Koji remembers about him contacting us about a year ago, do you?? Here I have three kat files with three m. files and what do they do? [[attachment:file_explanation.txt]] [[attachment:lcgt.kat]] / [[attachment:contourplot.m]] : With contourplot.m, it is used to make contourplots of error signals. [[attachment:dp.kat]] / [[attachment:demphase.m]] : With demphase.m it is used to create a text file "phase.txt" which shows demodulation phase that procuces maximum signals. [[attachment:s.kat]] / [[attachment:signalmatrix.m]] :With signalmatrix.m, it is used to create two text files, "matrix_raw.txt" and "matrix_norm.txt" which show signal matrix with raw values and normalized valies respectively. ok, now I try to attach files hope it works like this...hm. |
== Parameters == (Classical-noise parameters are [[LCGT/subgroup/ifo/ISC/TaskList/CurrentStatus/ClassicalNoise|here]]) |
Confirmation of the current status
The first task of this working group is to establish a consensus between the members about the currently proposed ISC scheme. We will confirm what has been done so far in what degree of detail. Then decide what should be done next.
Parameters
(Classical-noise parameters are here)