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Entry  Wed Nov 18 22:26:33 2015, yutaro, Update, Optical Levers, Calibration of oplevs for ITMY/ETMY calib_etmypit2.pdfcalib_etmyyaw2.pdfcalib_itmypit2.pdfcalib_itmyyaw2.pdfcalib_oplev.zip
    Reply  Wed Nov 18 23:40:01 2015, rana, Update, Optical Levers, Calibration of oplevs for ITMY/ETMY 
       Reply  Thu Nov 19 16:06:54 2015, yutaro, Update, Optical Levers, Calibration of oplevs for ITMY/ETMY 
    Reply  Tue Dec 1 11:26:23 2015, yutaro, Update, Optical Levers, Calibration of oplevs for ITMX/ETMX ep_l.pdfey_l.pdfip_l.pdfiy_l.pdf
       Reply  Thu Dec 3 06:15:38 2015, rana, Update, Optical Levers, Calibration of oplevs for ITMX/ETMX 
          Reply  Thu Dec 3 10:05:07 2015, yutaro, Update, Optical Levers, Calibration of oplevs for ITMX/ETMX 
       Reply  Fri Dec 11 16:16:36 2015, yutaro, Update, Optical Levers, Calibration of oplevs for ITMX/ETMX 
          Reply  Mon Dec 14 23:49:03 2015, ericq, Update, Optical Levers, Calibration of oplevs for ITMX/ETMX 
Message ID: 11875     Entry time: Fri Dec 11 16:16:36 2015     In reply to: 11831     Reply to this: 11881
Author: yutaro 
Type: Update 
Category: Optical Levers 
Subject: Calibration of oplevs for ITMX/ETMX 

Based on calibration measurement I have done (elog 11785, 11831), I updated calibration factors of oplevs on medm screen as follows. Not to change loop gain oplev servo, I also changed oplev servo gain.

C1:SUS-ETMX_OL_PIT_CALIB, C1:SUS-ETMX_OL_PIT_GAIN

(45.1,16) => (200,3.5)

C1:SUS-ETMX_OL_YAW_CALIB, C1:SUS-ETMX_OL_YAW_GAIN

(85.6,8) => (222,3.0) 

C1:SUS-ETMY_OL_PIT_CALIB, C1:SUS-ETMY_OL_PIT_GAIN

(26,-16) => (140,-3.0) 

C1:SUS-ETMY_OL_YAW_CALIB, C1:SUS-ETMY_OL_YAW_GAIN

(31,-21) => (143,-4.5) 

C1:SUS-ITMX_OL_PIT_CALIB, C1:SUS-ITMX_OL_PIT_GAIN

(110,8) => (122,7.2) 

C1:SUS-ITMX_OL_YAW_CALIB, C1:SUS-ITMX_OL_YAW_GAIN

(81,-11) => (147,-6) 

C1:SUS-ITMY_OL_PIT_CALIB, C1:SUS-ITMY_OL_PIT_GAIN

(159,15) => (239,10) 

C1:SUS-ITMY_OL_YAW_CALIB, C1:SUS-ITMY_OL_YAW_GAIN

(174,-21) => (226,-16) 

 

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