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

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=Smallest beam spot at 90 Degree port=
 
=Smallest beam spot at 90 Degree port=
  
The beam appears to light up a <math>8mm \time \frac (3.5 cm}{7.5cm) = 4 mm</math>  diameter circle on the Phosphorus screen with <math>20 \pm 10 \muA</math> of beam current.
+
The beam appears to light up a <math>8mm \time \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.
  
 
[[Image:CHIPS_IAC_5-27-08_90DegreePort_MinSpotSize.jpg | 200 px]]
 
[[Image:CHIPS_IAC_5-27-08_90DegreePort_MinSpotSize.jpg | 200 px]]

Revision as of 15:00, 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 \time \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

Max Transmission

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

CHIPS IAC 5-27-08 ZeroDegreePort MaxTransmission.jpg

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

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