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40m
QIL
Cryo_Lab
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 Thu Oct 21 15:32:32 2021, Aidan, Radhika, Laser, 2um Photodiodes, Improved measurement of QE on photodiodes ~89% at 140K 
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 Thu Oct 21 16:52:26 2021, rana, Laser, 2um Photodiodes, Improved measurement of QE on photodiodes ~89% at 140K
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Thu Oct 21 17:48:33 2021, Aidan, Laser, 2um Photodiodes, Improved measurement of QE on photodiodes ~89% at 140K
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Fri Oct 22 09:20:13 2021, Aidan, Laser, 2um Photodiodes, Improved measurement of QE on photodiodes ~89% at 140K
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Fri Oct 22 12:04:13 2021, rana, Laser, 2um Photodiodes, Improved measurement of QE on photodiodes ~89% at 140K
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Fri Oct 22 13:31:36 2021, Chris, Laser, 2um Photodiodes, Improved measurement of QE on photodiodes ~89% at 140K
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Message ID: 2685
Entry time: Fri Oct 22 13:31:36 2021
In reply to: 2684
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| Author: |
Chris |
| Type: |
Laser |
| Category: |
2um Photodiodes |
| Subject: |
Improved measurement of QE on photodiodes ~89% at 140K |
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Somewhere around the labs there should be a DataRay Beam'R2 scanning slit profiler, with an extended InGaAs detector that works out to 2.5 µm.
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agreed. You should put into Voyager chat and cryo/ET slack questins about 2 um beam profiling. We'll want it for anything 1.8-2.1 um.
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Definitely. I think the lack of beam profiling/imaging equipment is something we want to address too. We will waste a lot of time in Mariner if we can't profile our beams.
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