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SUMMARY:Ultracold and Ultrafast Electron Beams for Microscopy and Accelera
 tors
DTSTART:20261014T103000Z
DTEND:20261014T123000Z
DTSTAMP:20261023T210600Z
UID:indico-event-9457@scitalks.tifr.res.in
DESCRIPTION:Speakers: Siddharth Karkare (Arizona State University\, USA)\n
 \n \nUltrafast pulsed electron beams\, spanning femtosecond to picosecond
  timescales\, drive some of today’s most powerful scientific tools. They
  are essential for ultrafast electron diffraction and microscopy (UED/M)\,
  revealing atomic motion in real time\, and power large-scale facilities s
 uch as X-ray Free Electron Lasers (XFELs) and particle colliders.\nThe bri
 ghtness of these pulsed electron beams\, i.e. how densely and coherently e
 lectrons can be packed\, directly determines the resolution of UED/M\, the
  wavelength reach and output power of XFELs\, and the ability of colliders
  to probe rare scattering events. These electron beams are produced by ill
 uminating photoemissive materials with ultrafast lasers inside strong acce
 lerating fields.\nIn this talk\, I will discuss how the advances we have m
 ade in photoemission physics\, materials design\, nanophotonics\, and plas
 monics have resulted in the generation of cold electron beams with unprece
 dented brightness\, opening new possibilities for sharper imaging\, more c
 ompact X-ray lasers\, and deeper insights into fundamental physics.\n\nhtt
 ps://scitalks.tifr.res.in/event/9457/
LOCATION:AG66
URL:https://scitalks.tifr.res.in/event/9457/
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