Difference between revisions of "Talk:GTS meeting 6 27 16"

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(Created page with "* Things to try next, in order: 1. Run with the beam viewers shields completely out for improved pumping speed, 2. Bias anode positive, John hsa PS 3. Increase laser spot size...")
 
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* Things to try next, in order:
 
* Things to try next, in order:
1. Run with the beam viewers shields completely out for improved pumping speed,
+
*1. Run with the beam viewers shields completely out for improved pumping speed,
2. Bias anode positive, John hsa PS
+
*2. Bias anode positive, John hsa PS
3. Increase laser spot size to 4 mm
+
*3. Increase laser spot size to 4 mm
4. Make a brand new photocathode (there is one puck with bare GaAs in the prep chamber) using the mask.
+
*4. Make a brand new photocathode (there is one puck with bare GaAs in the prep chamber) using the mask.

Revision as of 10:13, 27 June 2016

  • Things to try next, in order:
  • 1. Run with the beam viewers shields completely out for improved pumping speed,
  • 2. Bias anode positive, John hsa PS
  • 3. Increase laser spot size to 4 mm
  • 4. Make a brand new photocathode (there is one puck with bare GaAs in the prep chamber) using the mask.