| ID | 
Date | 
Author | 
Type | 
Category | 
Subject | 
Text | 
  | 
| 
  213  
 | 
Wed Dec 16 14:07:37 2009 | 
Damien Gallop |   |   | OLIS development for CUSP source continued  | Today we vary source gas pressure.
 
Later... Several iterations of pressure, 
tuning and standing on our heads. Representative | 
       | 
| 
  212  
 | 
Tue Dec 15 17:50:38 2009 | 
Damien Gallop |   |   | OLIS development for CUSP source continued  | Four larger apertures were installed yesterday. 
This morning we fired up the modified source. 
It lit immediately. Plenty of beam. Development | 
   | 
| 
  211  
 | 
Mon Dec 14 10:01:52 2009 | 
Damien Gallop |   |   | OLIS development for CUSP source continued | Development over the weekend. Results to 
come. Restart source now and let it warm 
up. 4He2+ on FC6. Plasma at zero, to duplicate | 
   | 
| 
  210  
 | 
Fri Dec 11 18:03:30 2009 | 
Damien Gallop |   |   | OLIS development for CUSP source continued  | Today we swapped power supplies between 
the arc and plasma electrode. This gives 
us a higher voltage range on the arc, at | 
   | 
| 
  209  
 | 
Thu Dec 10 08:59:05 2009 | 
Damien Gallop |   |   | OLIS development for CUSP source continued  | Source stayed up quietly overnight. Current 
dropped off gradually. I will tweak things 
shortly. | 
     | 
| 
  208  
 | 
Wed Dec  9 10:24:45 2009 | 
Damien Gallop |   |   | OLIS development for CUSP source continued | CUSP source was off for the night, following 
Keerthi's development. He had increased the 
current on FC6 and the arc current substantially. | 
        | 
| 
  207  
 | 
Tue Dec  8 12:40:17 2009 | 
Damien Gallop |   |   | OLIS development for CUSP source continued | Fuse for FUG power supply obtained and 
installed. Source is up and warming up. ~100enA 
on FC6. | 
     | 
| 
  206  
 | 
Mon Dec  7 09:48:24 2009 | 
Damien Gallop |   |   | OLIS development for CUSP source continued | The OLIS cage was open over the weekend. 
IOS pressure is in the 4e-7 range, with source 
gas manifold closed and external helium bottle | 
    | 
| 
  205  
 | 
Fri Dec  4 18:15:19 2009 | 
Damien Gallop |   |   | OLIS development for CUSP source - gas lines & water | We received back the source this morning. 
First order of business was to take some 
EOB scans. See earlier entry. Then we shut | 
   | 
| 
  204  
 | 
Fri Dec  4 09:58:08 2009 | 
Damien Gallop |   |   | 20Ne1+ at 28keV for 8pi delivery complete | Mike declared successful EOB this morning. 
"Best beam I ever used" or something 
like that! EOB emittance and mass scans attached. | 
        | 
| 
  203  
 | 
Thu Dec  3 14:12:56 2009 | 
Damien Gallop |   |   | 20Ne1+ at 28keV for 8pi delivery continues | Beam was idle overnight. We took the beam 
for a while this morning, and ran a mass 
scan. We opted to not go into the cage to | 
    | 
| 
  202  
 | 
Wed Dec  2 19:03:55 2009 | 
Damien Gallop |   |   | 20Ne1+ at 28keV for 8pi delivery | The source ran well overnight and today. 
There is an issue with an ILE Faraday cup. 
Tuning is ended for today, and beam is on | 
    | 
| 
  201  
 | 
Tue Dec  1 12:33:58 2009 | 
Damien Gallop |   |   | 20Ne1+ at 28keV for 8pi | By agreement, we are providing OLIS beam 
to the Beam Delivery group for the purpose 
of checking out transmission in the 8pi line. | 
 8x   | 
| 
  200  
 | 
Tue Dec  1 09:27:17 2009 | 
Damien Gallop |   |   | OLIS development for CUSP source - first overnight running | The CUSP source ran well overnight, notwithstanding 
local control of source power supplies. Filament 
supply had dropped to 115A this morning, | 
     | 
| 
  199  
 | 
Mon Nov 30 16:53:31 2009 | 
Damien Gallop |   |   | 20Ne1+ to 8pi planned for tomorrow | OLIS beam to 8pi is planned for tomorrow. 
A 20Ne1+ beam of ~3nA at 28keV is the agreement. 
The 8pi line diagnosis is likely to take | 
   | 
| 
  198  
 | 
Mon Nov 30 15:41:00 2009 | 
Damien Gallop |   |   | OLIS development for CUSP source - initial tests | We completed the services by end of last 
week. Of course they could always be better, 
but everything is fine for this iteration. | 
   | 
| 
  197  
 | 
Mon Nov 30 15:41:00 2009 | 
Damien Gallop |   |   | OLIS development for CUSP source - initial tests | We completed the services by end of last 
week. Of course they could always be better, 
but everything is fine for this iteration. | 
    | 
| 
  196  
 | 
Fri Nov 27 13:36:09 2009 | 
Damien Gallop |   |   | OLIS development for CUSP source - installation cont'd | Arc power supply replaced. Water leaks 
down to one or two pinholes on source body; 
manageable. Minor mechanical in progress. | 
   | 
| 
  195  
 | 
Thu Nov 26 16:08:42 2009 | 
Damien Gallop |   |   | OLIS development for CUSP source - installation cont'd | Services completed today. There are still 
some teething pains, particularly the arc 
p/s as noted earlier. But we did have some | 
    | 
| 
  194  
 | 
Thu Nov 26 06:22:58 2009 | 
Keerthi Jayamanna |   |   | Cusp source | Arc power supply does not hold any voltage. | 
   |