40m QIL Cryo_Lab CTN SUS_Lab TCS_Lab OMC_Lab CRIME_Lab FEA ENG_Labs OptContFac Mariner WBEEShop
  40m Log  Not logged in ELOG logo
Entry  Fri Apr 29 05:48:52 2011, kiwamu, Update, LSC, Y arm locked DSC_2978_ss.jpg
    Reply  Fri Apr 29 12:18:48 2011, kiwamu, Update, LSC, Y arm locked : details 
       Reply  Fri Apr 29 13:15:04 2011, kiwamu, Update, LSC, Y arm locked : details 
       Reply  Fri Apr 29 13:58:36 2011, rana, Update, LSC, Y arm locked : details 
Message ID: 4586     Entry time: Fri Apr 29 05:48:52 2011     Reply to this: 4587
Author: kiwamu 
Type: Update 
Category: LSC 
Subject: Y arm locked 

The Y arm has been locked with the IR beam. The purpose is to use the arm as an alignment reference for the input PZTs.

Detail will be posted later. Here is a picture of ITMY suspension. You can see there is a beam spot in the middle of the test mass.

DSC_2978_ss.jpg

ELOG V3.1.3-