Changes for page FL10M3 screen system

Last modified by sndueste on 2025/01/07 15:51
From version 6.1
edited by sendels
on 2021/02/10 14:56
Change comment: There is no comment for this version
To version 12.1
edited by sndueste
on 2025/01/07 15:51
Change comment: There is no comment for this version

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Title
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1 -BL0M0 screen system
1 +FL10M3 screen system
Author
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1 -XWiki.sendels
1 +XWiki.sndueste
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1 -= BL0M0 screen system =
1 += Content: =
2 2  
3 -**The BL0M0 beamblock and screen system was NEWLY installed June / July 2018 and is still under development.**
4 -\\
5 5  
6 -\\
4 +{{toc minLevel="2"/}}
7 7  
8 -* [[BL0M0 screen system>>doc:||anchor="BL0M0 screen system"]]
9 -** [[Beam block>>doc:||anchor="Beam block"]]
10 -** Screen / Ce:YAG
11 -*** [[Crystal>>doc:||anchor="Crystal"]]
12 -*** [[retraction>>doc:||anchor="retraction"]]
13 -*** [[Beamprofile>>doc:||anchor="Beamprofile"]]
14 -*** [[ROIs>>doc:||anchor="ROIs"]]
15 -*** [[Expert Settings>>doc:||anchor="Expert Settings"]]
16 -** [[Reference Values for the camera>>doc:||anchor="Reference Values for the camera"]]
17 -** [[Details of the installation>>doc:||anchor="Details of the installation"]]
18 -*** [[Motor>>doc:||anchor="Motor"]]
19 -*** [[Crystal>>doc:||anchor="Crystal"]]
20 -*** [[Iris>>doc:||anchor="Iris"]]
21 -*** [[Camera>>doc:||anchor="Camera"]]
22 22  
23 -\\
7 +== Intro ==
24 24  
9 +**The BL0M0 beamblock and screen system was NEWLY installed June / July 2018 **
10 +
25 25  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.
26 26  
27 -Drawings by Svea:
13 +Drawings by Svea:
28 28  Beam block and Crystal are moved out:
29 29  
30 30  [[image:attach:BL0M0-image.jpg||height="250"]]
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56 56  
57 57  [[image:attach:M0_screen_is_in.jpg.png||height="250"]]
58 58  
59 -\\
60 60  
61 61  [[BL0M0 screen system>>doc:||anchor="BL0M0 screen system"]]
62 62  
63 63  === retraction ===
64 64  
65 -In order to protect the Ce YAG crystal from too much radiation, we implemented a system that retracts the crystal automatically after several minutes .
66 -The idea is, that the crystal can be used for tuning and looking at the beam profile but **NOT as beamblock** (which is now a separate device). In order to avoid too much moving in and out of the crystal, there is a button (in the red warning box) which resets the timer. If the button is pressed the time window starts again and the crystal stays in ...
50 +In order to protect the Ce YAG crystal from too much radiation, we implemented a system that retracts the crystal automatically after several minutes .
51 +The idea is, that the crystal can be used for tuning and looking at the beam profile but **NOT as beamblock** (which is now a separate device). In order to avoid too much moving in and out of the crystal, there is a button (in the red warning box) which resets the timer. If the button is pressed the time window starts again and the crystal stays in ...
67 67  It is to note, that before the crystal is retracted automatically it checks if the beam block is in. If this is not the case, the beam block is moved in BEFORE the crystal is retracted ...
68 68  
69 69  [[image:attach:BL0Mo_retraction.jpg||height="250"]]
70 -\\
55 +
71 71  
72 72  [[BL0M0 screen system>>doc:||anchor="BL0M0 screen system"]]
73 73  
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85 85  
86 86  [[BL0M0 screen system>>doc:||anchor="BL0M0 screen system"]]
87 87  
88 -\\
89 89  
90 90  === Expert Settings ===
91 91  
92 92  detailed settings and restarting of the servers can be done by experts on the expert tab:
93 93  
94 -\\
95 95  
96 96  
97 97  [[image:attach:BL0M0 expert.png||height="400"]]
98 98  
99 -\\
100 100  
101 101  [[BL0M0 screen system>>doc:||anchor="BL0M0 screen system"]]
102 102  
103 103  == Reference Values for the camera ==
104 104  
105 -Reference image for the camera settings
106 -[[image:attach:BL0M0 camera reference.png||height="400"]]:
87 +Reference image for the camera settings
88 +[[image:attach:BL0M0 camera reference.png||height="400"]]:
107 107  The jddd panel also checks for these values otherwise an error message will be displayed
108 108  
109 109  [[BL0M0 screen system>>doc:||anchor="BL0M0 screen system"]]
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113 113  Images of the setup::
114 114  
115 115  [[image:attach:20180712_142435.jpg||height="250"]]
116 -\\
98 +
117 117  
118 118  [[image:attach:20180712_142421.jpg||height="250"]]
119 -\\
101 +
120 120  
121 121  [[BL0M0 screen system>>doc:||anchor="BL0M0 screen system"]]
122 122  
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124 124  
125 125  * The motor driving camera and crystal is: mot37 at hasfmirr
126 126  * it is connected via patch panel PPBDA M11
127 -* [[more details in this logbook entry~[~[image:url:http://hasfweb.desy.de/pub/TWiki/TWikiDocGraphics/external-link.gif~|~|width="13" height="12"~]~]>>url:https://ttfinfo.desy.de/ExpHallelog/show.jsp?dir=/2018/27/05.07&pos=2018-07-05T16:06:25||shape="rect"]]
109 +* [[more details in this logbook entry~[~[image:url:http://hasfweb.desy.de/pub/TWiki/TWikiDocGraphics/external-link.gif~|~|height="12" width="13"~]~]>>url:https://ttfinfo.desy.de/ExpHallelog/show.jsp?dir=/2018/27/05.07&pos=2018-07-05T16:06:25||shape="rect"]]
128 128  
129 129  [[BL0M0 screen system>>doc:||anchor="BL0M0 screen system"]]
130 130  
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131 131  === Crystal ===
132 132  
133 133  * 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.
134 -* 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).
116 +* 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).
135 135  
136 136  [[BL0M0 screen system>>doc:||anchor="BL0M0 screen system"]]
137 137  
138 138  === Iris ===
139 139  
140 -* the Iris is controled by haskrpiris08 192.168.58.192
122 +* the Iris is controlled by haskrpiris08 192.168.58.192
141 141  * it is connected to the plug "28c-Halle-106 rechts"
142 142  * up to now there is no remote power switch installed for the Raspy ... to come
143 143  
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152 152  BL0M0 image~:
153 153  
154 154  [[image:attach:BL0M0.jpg||height="400"]]
155 -\\
137 +
156 156  
157 157  The GUI and the HELP is still under development ... in case of confusion call Stefan Düsterer 91625
158 158  
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