[UITF] First 200keV beam at UITF: viewer limited mode!

[Dr. A.M. Sandorfi]

Congratulations to all the UITF crew !!!
A nice Christmas present indeed :)
Andy




On 12/19/17, 12:05 PM, "Carlos Hernandez-Garcia" <chgarcia at jlab.org> wrote:

> After John aligned the drive laser through the lens using the biased anode and
> pico-ammeter, we set the gun dipole to the value specified by Joe. Then the
> gun was ramped to 200kV without problems, and the laser beam was sent to the
> cathode in Viewer Limited mode. With ITVK201 inserted, we adjusted the gun
> solenoid and finally saw the electron beam on the screen!
> 
> https://logbooks.jlab.org/entry/3506953
> 
> The beam makes it around the first bend too:
> 
> https://logbooks.jlab.org/entry/3506959
> 
> Ugly beam, but 200 keV beam nonetheless!
> 
> We have now a list of things to take care of before continuing with beam setup
> and transport all the way to Faraday Cup 2 and to the spectrometer line, but
> we will discuss the checklist after the Holidays.
> 
> Congratulations to everyone! and many many thanks for your diligence and
> efforts!...we still need more of that in the coming months! :-)
> 
> Carlos