JEF meeting, March 12, 2021

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Meeting time and location= 8:30 am EST (JLab time) Bluejeans only

Connection instructions

We are using BlueJeans Video/Audio conferencing. Our meeting ID number is 992533564. Click "Expand" for more details.

  • Make sure you have created a BlueJeans account via your JLab CUE account using this link:
  • If connecting via Web Browser: click this link (no passcode is needed):
  • If connecting via Phone: Dial one of the following numbers and then enter the meeting ID above and hit "#" or "##"
  • If connecting via Polycom unit:
    • Dial or
    • Enter meeting ID above


  • Meeting time
  • SICCAS crystals
  • COMCAL tests, TAC running, etc.
- Removed LMS
- Removed dividers
- Replacing connectors
  • Data analysis
  • Simulations


Attendees: Phil,Zisis,Arshak,Varun,Sasha,Jon,Susan,Liping,Jane,S.T.

  • Meeting time will change to 9 am JLab time
  • Sasha succeeded in arranging meeting with SICCAS contact person
    • Third batch of crystals has been delayed, expect delivery some time in June
    • SICCAS has issues with raw material purity, leading to worse light transmission at 360 nm than our spec
    • SICCAS does think they can increase the production rate (double?)
    • We gave feedback about color, chamfers
  • Money available to purchase 510 crystals
    • Schedule could become an issue: will we able to obtain all crystals by the end of 2023?
  • PMT dividers: waiting for Fernando to produce amplifier design
  • Sasha showed some photographs of current state of COMCAL (removing fibers for LMS, removing bases,...)