Changes for page FL10M3 screen system

Last modified by sndueste on 2025/01/07 15:51
From version 9.1
edited by sndueste
on 2021/06/21 14:51
Change comment: There is no comment for this version
To version 8.1
edited by sndueste
on 2021/06/21 14:49
Change comment: There is no comment for this version

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1 -= Content: =
1 += BL0M0 screen system =
2 2  
3 +**The BL0M0 beamblock and screen system was NEWLY installed June / July 2018 **
3 3  \\
4 4  
6 +
7 +
5 5  {{toc/}}
6 6  
7 7  \\
8 8  
9 -**The BL0M0 beamblock and screen system was NEWLY installed June / July 2018 **
10 -
11 11  Essentially the blocking of the FEL beam by the screen //and// the beam profile viewing have been separated. The beam block is operated as before "the screen" with the same buttons. To look on the beam profile a screen has to be moved in separately with the "move screen to PG / BL" buttons.
12 12  
13 13  Drawings by Svea:
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117 117  === Crystal ===
118 118  
119 119  * The Crystal is a 30 x 30 mm Ce:YAG crystal (0.2 mm thick) with a roughened Si scattering (0.6 mm thick) screen behind) mounted at 45 deg to the beam and the camera.
120 -* Camera calibration: For x and for y we have 22 pixel per mm. Thus if the image is quadratic the beam should be round. The crystal is still not quadratic since we see the x dimension shirked by sqrt(2).
121 +* Camera calibration: For x and for y we have 22 pixel per mm. Thus if the image is quadratic the beam should be round. The crystal is still not quadratic since we see the x dimension shrinked by sqrt(2).
121 121  
122 122  [[BL0M0 screen system>>doc:||anchor="BL0M0 screen system"]]
123 123  
124 124  === Iris ===
125 125  
126 -* the Iris is controlled by haskrpiris08 192.168.58.192
127 +* the Iris is controled by haskrpiris08 192.168.58.192
127 127  * it is connected to the plug "28c-Halle-106 rechts"
128 128  * up to now there is no remote power switch installed for the Raspy ... to come
129 129