Difference between revisions of "CHIPS IAC Run 5-27-08"

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[[Image:CHIPS_IAC_5-27-08_FC-CollarRatio.jpg | 200 px]]
 
[[Image:CHIPS_IAC_5-27-08_FC-CollarRatio.jpg | 200 px]]
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{| border="1"  |cellpadding="20" cellspacing="0
 +
|-
 +
|Device || setting
 +
|-
 +
| RS1 || 0+
 +
|-
 +
| RS2 || 0-
 +
|-
 +
|FS1 || 0+
 +
|-
 +
|FS2 || 0-
 +
|-
 +
|0Q1 || -0.20
 +
|-
 +
|0Q2 || +2.86
 +
|-
 +
|45Q1 || -0.004
 +
|-
 +
|45Q2 || +2.24
 +
|-
 +
|L90Q1 || -1.33
 +
|-
 +
|L90Q2 || +2.42
 +
|-
 +
|Bend1 || 3.5
 +
|-
 +
|Bend2 || 0.86
 +
|-
 +
|Gun HV|| 13 kV
 +
|-
 +
|Grid|| 2.31
 +
|-
 +
|802 || 16 kV
 +
||-
 +
|SOL1 || 0.39
 +
||-
 +
|SOL2 || 0.40
 +
|}

Revision as of 16:19, 27 May 2008

Beam Tuning pictures:

Smallest beam spot at 0 Degree port

The beam appears to light up a 3 mm diameter circle on the Phosphorus screen.

CHIPS IAC 5-27-08 ZeroDegreePort MinSpotSize.jpg CHIPS IAC 5-27-08 ZeroDegreePort MinSpotSize 40MicroAmp.jpg

Smallest beam spot at 90 Degree port

The beam appears to light up a [math]8mm \times \frac{3.5 cm}{7.5cm} = 4 mm[/math] diameter circle on the Phosphorus screen with [math]20 \pm 10 \mu A[/math] of beam current.

CHIPS IAC 5-27-08 90DegreePort MinSpotSize.jpg CHIPS IAC 5-27-08 90DegreePort MinSpotSize 20MicroAmps.jpg


Device setting
RS1 0+
RS2 0-
FS1 0+
FS2 0-
0Q1 -2.62
0Q2 +4.04
45Q1 -1.88
45Q2 +1.74
L90Q1 -0
L90Q2 +2.87
Bend1 3.5
Bend2 0.86
Gun HV 3 kV
Grid 0.43
802 16 kV

Max Transmission

Retune machine to maximize transmission between the FC collar and the FC.

CHIPS IAC 5-27-08 ZeroDegreePort MaxTransmission.jpgCHIPS IAC 5-27-08 90DegreePort MaxTransmission.jpg

Using FrameGrabber

CHIPS IAC 5-27-08 0DegreePort MaxTransmission FrameGrabber.jpg CHIPS IAC 5-27-08 90DegreePort MaxTransmission FrameGrabber.jpg

CHIPS IAC 5-27-08 FC-CollarRatio.jpg


Device setting
RS1 0+
RS2 0-
FS1 0+
FS2 0-
0Q1 -0.20
0Q2 +2.86
45Q1 -0.004
45Q2 +2.24
L90Q1 -1.33
L90Q2 +2.42
Bend1 3.5
Bend2 0.86
Gun HV 13 kV
Grid 2.31
802 16 kV - SOL1 0.39 - SOL2 0.40
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