40m QIL Cryo_Lab CTN SUS_Lab TCS_Lab OMC_Lab CRIME_Lab FEA ENG_Labs OptContFac Mariner WBEEShop
  Coating Ring-down Measurement Lab elog  Not logged in ELOG logo
Message ID: 208     Entry time: Tue Nov 22 14:11:38 2016
Author: Gabriele 
Type: General 
Category: Measurements 
Subject: Laser polishing of bad disk improves Q, but they're still not very good 

Laser polishing of a sample from the second batch (S1600487, bad Q as out of the box) improves the Q values, but they're still lower than what we got with a good sample (S1600439, first batch)

Attachment 1: polishing_Qs.png  49 kB  | Hide | Hide all
polishing_Qs.png
ELOG V3.1.3-