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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: 11831     Entry time: Tue Dec 1 11:26:23 2015     In reply to: 11785     Reply to this: 11842   11875
Author: yutaro 
Type: Update 
Category: Optical Levers 
Subject: Calibration of oplevs for ITMX/ETMX 

With the same method as reported in elog 11785, I calibrated oplevs for ITMX/ETMX.

 

RESULTS 

 

According to this measurement, ratio of the calibration factor derived with this measurement (NEW) and the calibration factor for now (OLD), i.e. NEW/OLD was:   

ETMX_PIT: 4.470

ETMX_YAW: 2.5970

ITMX_PIT: (-)1.1102

ITMX_YAW: 1.8173

 

NOTE

The calibration factors of the oplevs for ETMY/ITMY are   NOT UPDATED YET. I updated on Dec 11, 2015

 

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