Joel A Berger

Summary

Affiliation: University of Illinois at Chicago
Country: USA

Publications

  1. ncbi request reprint High-power, femtosecond, thermal-lens-shaped Yb:KGW oscillator
    Joel A Berger
    Department of Physics M C 273, University of Illinois at Chicago, 845 W Taylor Street rm 2236, Chicago, IL 60607 7059, USA
    Opt Express 16:8629-40. 2008
  2. ncbi request reprint Intrinsic electron beam emittance from metal photocathodes: the effect of the electron effective mass
    B L Rickman
    Department of Physics, University of Illinois at Chicago, 845 W Taylor Street, Chicago, Illinois 60607 7059, USA
    Phys Rev Lett 111:237401. 2013
  3. ncbi request reprint DC Photoelectron Gun Parameters for Ultrafast Electron Microscopy
    Joel A Berger
    Department of Physics M C 273, University of Illinois at Chicago, 845 W Taylor Street, Chicago, IL 60607 7059, USA
    Microsc Microanal 15:298-313. 2009

Collaborators

  • B L Rickman
  • W Andreas Schroeder
  • A W Nicholls

Detail Information

Publications3

  1. ncbi request reprint High-power, femtosecond, thermal-lens-shaped Yb:KGW oscillator
    Joel A Berger
    Department of Physics M C 273, University of Illinois at Chicago, 845 W Taylor Street rm 2236, Chicago, IL 60607 7059, USA
    Opt Express 16:8629-40. 2008
    ..5W (5W). Frequency doubling of the 250fs pulses with an intrinsic efficiency >60% provides 1.65W of average green power...
  2. ncbi request reprint Intrinsic electron beam emittance from metal photocathodes: the effect of the electron effective mass
    B L Rickman
    Department of Physics, University of Illinois at Chicago, 845 W Taylor Street, Chicago, Illinois 60607 7059, USA
    Phys Rev Lett 111:237401. 2013
    ..142-144.] indicate that the transverse momentum (and hence intrinsic emittance) of an electron beam is fundamentally dependent on the electron effective mass in the metal...
  3. ncbi request reprint DC Photoelectron Gun Parameters for Ultrafast Electron Microscopy
    Joel A Berger
    Department of Physics M C 273, University of Illinois at Chicago, 845 W Taylor Street, Chicago, IL 60607 7059, USA
    Microsc Microanal 15:298-313. 2009
    ..The implications of these observations and other physical limitations for the development of a dynamic transmission electron microscope with sub-1 nm.ps space-time resolution are discussed...