[Jlabsa_gs] **Today** Pizza Seminar - Wednesday, May 25, 2016 - A Message From Hari Areti

[Jodi Patient]

Thank you to all of those who RSVP'd.  See you at noon today.


For the summer lecture series and other summer events, take a look at the
Jefferson Lab's Graduate Student and Post-Doc Association Wiki: 

https://gspda.jlab.org/wiki/index.php/Main_Page 



                              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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