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Kwon, Oh Hoon
Ultrafast Laser Spectroscopy and Nano-microscopy (ULSaN Lab)
Research Interests
  • Femtochemistry/biology, 4D electron microscopy, structural dynamics, materials phenomena

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Chirped imaging pulses in four-dimensional electron microscopy: femtosecond pulsed hole burning

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Title
Chirped imaging pulses in four-dimensional electron microscopy: femtosecond pulsed hole burning
Author
Park, Sang TaeKwon, Oh HoonZewail, Ahmed H.
Issue Date
2012-05
Publisher
IOP PUBLISHING LTD
Citation
NEW JOURNAL OF PHYSICS, v.14, no.5, pp.1 - 22
Abstract
The energy and time correlation, i.e. the chirp, of imaging electron pulses in dispersive propagation is measured by time-slicing (temporal hole burning) using photon-induced near-field electron microscopy. The chirp coefficient and the degree of correlation are obtained in addition to the duration of the electron pulse and its energy spread. Improving temporal and energy resolutions by time-slicing and energy-selection is discussed here and we explore their utility in imaging with time and energy resolutions below those of the generated ultrashort electron pulse. Potential applications for these imaging capabilities are discussed.
URI
https://scholarworks.unist.ac.kr/handle/201301/8726
URL
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84861935769
DOI
10.1088/1367-2630/14/5/053046
ISSN
1367-2630
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CHM_Journal Papers
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