April 30, 2021 DIRC

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Meeting Information

GlueX DIRC Meeting
Friday April 30, 2021
10:00 am, ET
Remote only

Connection Using Bluejeans

  1. To join via Polycom room system go to the IP Address: (bjn.vc) and enter the meeting ID: 846453895.
  2. To join via a Web Browser, go to the page [1] https://bluejeans.com/846453895 .
  3. To join via phone, use one of the following numbers and the Conference ID: 846453895
    • US or Canada: +1 408 740 7256 or
    • US or Canada: +1 888 240 2560
  4. More information on connecting to bluejeans is available.


  1. Announcements
  2. Mirror prototype test plan (All)
    • Discussion of prototypes and ongoing tests (Bill, All)
    • Next steps in mirror process: (Justin)
      • Borofloat received and checked at JLab and mirrors at Danny's for cutting
      • Writeup of assembly procedure discussed last week
        • After etching, large mirrors will be taped to strongback, where borofloat will be attached. Full strongback + mirror sandwich tested under water
        • Narrow mirrors (3-segment and "wedge" mirrors) will be assembled on optical breadboards and tested under water before taping to strongback.
  3. DIRC commissioning analyses and 2020 studies (All)
  4. AOB