[Jlabsa_gs] **Reminder** Pizza Seminar - Wednesday, May 25, 2016 - A Message From Hari Areti
Jodi Patient
patient at jlab.org
Mon May 23 09:37:10 EDT 2016
Jefferson Lab's Graduate Student and Post-Doc Association Wiki:
https://gspda.jlab.org/wiki/index.php/Main_Page
Please RSVP to: patient at jlab.org by COB on May 23, 2016
Wednesday, May 25, 2016
***L102***
12:00-1:00 pm
"Thin Film Studies Toward Improving the Performance of Accelerator Electron Sources"
Md Abdullah Al Mamun
Old Dominion University, 2016
Abstract: Future electron accelerators require DC high voltage photoguns to operate beyond
the present state of the art to conduct new experiments that require ultra-bright electron
beams with high average current and higher bunch charge. To meet these demands, the
accelerators must demonstrate improvements in a number of photogun areas including vacuum,
field emission elimination in high voltage electrodes, and photocathodes. This work illustrates
how these improvements can be achieved by the application of suitable thin-films to the photogun
structure for producing ultra-bright electron beams. The results are promising to meet the
challenging requirements of high-average current electron sources.
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