Difference between revisions of "Y-chamber Laser Window"
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===Caryn's prior air-measurements=== | ===Caryn's prior air-measurements=== | ||
| − | * Summary logbook entry | + | * Summary logbook entry https://logbooks.jlab.org/entry/3801634 |
:With lip = mushroom (2 out of 2 are 'good' when not under vacuum) [[media:IMG_20200309_175510.jpeg]] | :With lip = mushroom (2 out of 2 are 'good' when not under vacuum) [[media:IMG_20200309_175510.jpeg]] | ||
:Without lip = zero profile (1 out of 2 are 'good' when not under vacuum) [[media:IMG_20200309_151848.jpg]] | :Without lip = zero profile (1 out of 2 are 'good' when not under vacuum) [[media:IMG_20200309_151848.jpg]] | ||
Revision as of 12:56, 6 October 2020
Plan to test and choose laser window under vacuum w/ y-chamber
- Test schematic
- Caryn's slides for vacuum-measurements media:PQBmeetingVacuumWindow.pptx
- Caryn's sketch for 1137 measurement media:Screen Shot 2020-10-05 at 10.28.43 AM.png
- Parts
- windows to test => ready in UITF laser room, includes Gun2 & Gun3 windows marked
- vacuum chamber w/ small bread board => ready in 1137
- vacuum pump w/ gauage => ready in 1137
- laser @ 780 nm
- 2 polarizers => there are two in UITF laser room
- QWP => ?
- photodiode or power meter =>
- 2 silver mirrors/dielectric mirrors and mirror mounts
Some pics of new Y-chamber and beam line model
- Phase 1 upgrade started two weeks ago media:201002_AIPINJCAD.JPG
- New y-laser chamber media:thumbnail_IMG_20201002_094527437.jpg
Caryn's prior air-measurements
- Summary logbook entry https://logbooks.jlab.org/entry/3801634
- With lip = mushroom (2 out of 2 are 'good' when not under vacuum) media:IMG_20200309_175510.jpeg
- Without lip = zero profile (1 out of 2 are 'good' when not under vacuum) media:IMG_20200309_151848.jpg
