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  Tue May 12 18:16:17 2020, gautam, Update, LSC, Relative importance of losses in the arm and PRC armLossVSPRCloss.pdf
    Reply  Tue May 12 20:16:31 2020, Koji, Update, LSC, Relative importance of losses in the arm and PRC 
       Reply  Tue May 12 22:47:49 2020, gautam, Update, LSC, Relative importance of losses in the arm and PRC 
Message ID: 15327     Entry time: Tue May 12 20:16:31 2020     In reply to: 15326     Reply to this: 15328
Author: Koji 
Type: Update 
Category: LSC 
Subject: Relative importance of losses in the arm and PRC 

Is \eta_A the roundtrip loss for an arm?

Thinking about the PRG=10 you saw:
- What's the current PR2/3 AR? 100ppm? 300ppm? The beam double-passes them. So (AR loss)x4 is added.
- Average arm loss is ~150ppm?

Does this explain PRG=10?

 

ELOG V3.1.3-