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

From New IAC Wiki
Jump to navigation Jump to search
Line 29: Line 29:
 
|-
 
|-
 
|0Q1 || -2.62
 
|0Q1 || -2.62
 +
|-
 +
|0Q2 || +4.04
 +
|-
 +
|45Q1 || -1.88
 +
|-
 +
|45Q2 || +1.74
 +
|-
 +
|L90Q1 || -0
 +
|-
 +
|L90Q2 || +2.87
 +
|-
 +
|Bend1 || 3.5
 +
|-
 +
|Bend2 || 0.86
 +
 
|}
 
|}
  

Revision as of 16:12, 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

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