Difference between revisions of "GTS meeting 4 04 17"

Latest revision as of 13:32, 17 April 2017

Beamline bake with full NEG activation – Done
Degas Faraday Cup – Done
Remove old laser – Done
Put ND filters in front of YAG Screen cameras to prevent camera saturation – Done
Calibrate laser power meter at exit window vs input window – Done
Laser spot walk to make sure spot is round and no clipping – Done
Measure laser size versus laser power – Checked – no dependence on power
Change laser size: x0.5 – Done – now 0.239 mm rms, was 0.525 mm
Grow new photocathode with full active area – Delayed to next week, will run first with existing limited-active area photocathode

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 * Plans for this week:
-# Laser spot walk to make sure spot is round and no clipping
+# Beamline bake with full NEG activation – ''Done''
-# Measure laser size versus laser power – ''Done''
-# Change laser size: x2 and x0.5
-# Calibrate laser power meter at exit window vs input window – ''Done''
 # Degas Faraday Cup – ''Done''
-# Grow new photocathode with full active area – ''delayed to next week, will run first with existing limited active area photocathode''
-# Beamline bake – ''Done''
 # Remove old laser – ''Done''
 # Put ND filters in front of YAG Screen cameras to prevent camera saturation – ''Done''
+# Calibrate laser power meter at exit window vs input window – ''Done''
+# Laser spot walk to make sure spot is round and no clipping – ''Done''
+# Measure laser size versus laser power – ''Checked'' – no dependence on power
+# Change laser size: x0.5 – ''Done'' – now 0.239 mm rms, was 0.525 mm
+# Grow new photocathode with full active area – ''Delayed to next week, will run first with existing limited-active area photocathode''